Single-use sealing solutions Specifications first. A quotation tailored to your requirements.
MANCHAOSECURITY SEALSRequest a quote ↗

SEAL TYPE

Pull-Tight Security Seals

Compare adjustable plastic and cable seals by working length, strap width or cable diameter, locking structure, marking area and removal method.

MC-170B product reference from the original catalogue, page 13Representative product from this category

SELECTION NOTES

Specify the details that matter.

A pull-tight seal forms an adjustable loop after its tail or cable passes through the closure and enters the locking opening.

Enquire about pull-tight security seals ↗

How to choose pull-tight security seals

Pull-tight security seals form an adjustable loop. The strap, tail or cable passes through the item’s closure point and then enters the seal’s locking opening so the loop can be reduced. This page includes only models whose confirmed structure works in that way; fixed-length and insert-lock products remain outside the listing.

Start by measuring the smallest closure hole and the full path around the closure. Compare effective working length rather than relying only on total product length. Strap width or cable diameter, tail profile, flag size, locking insert and removal method can affect suitability. Some plastic models include a tear line for hand removal, while other products require an appropriate cutting tool; verify the exact model.

Numbering, logos and barcodes can be discussed where the material and marking area permit. Plastic surfaces may support several marking methods subject to sample confirmation, while aluminum-alloy cable bodies use white laser marking only. For a useful quotation, send the closure dimensions, required loop length, quantity, delivery country, removal preference and artwork. MOQ, packing and lead time are confirmed after selecting the model and customization.

Related buying guides

Product models

MC-170B product reference from the original catalogue, page 13

MC-170B

MC-170B Beaded Pull-Tight Seal 170 mm – All-Plastic, 30 × 19.4 mm Tag

All-polypropylene pull-tight seal with a beaded tail: 170 mm overall, 30 × 19.4 mm tag (40 mm including the lock head), 1.4 mm tail. Catalogue average tensile above 3 kg; MOQ 1,000 pieces.

Two blue MC-210T seals before use showing the beaded tail and flag

MC-210T

MC-210T 208 mm Hand-Tear Pull-Tight Seal – Beaded Tail, Plastic Lock

Pull-tight polypropylene seal with a beaded tail, plastic locking clip and hand-tear release, 208 mm long with a 42.5 × 18 mm flag. Catalogue MOQ 1,000 pieces.

MC-210TF original product photograph 1

MC-210TF

MC-210TF 210mm Hand-Tear Pull-Tight Plastic Seal

MC-210TF is a 210 mm polypropylene pull-tight seal with an integrated hand-tear feature. Catalogue MOQ 1,000 pieces. Review the original drawing, packing, customization and two representative applications.

MC-230JY Tear-Off Pull-Tight Seal 230 mm – product photo 3

MC-230JY

MC-230JY Tear-Off Pull-Tight Seal 230 mm – All-Plastic, Toothed Strap

All-polypropylene pull-tight seal with a toothed strap, plastic clip and easy tear-off tag; 230 mm on the drawing, 1.9 g, recyclable. MOQ 1,000 pieces.

MC-250B red pull-tight seal locked in a loop with the beaded tail pulled through

MC-250B

MC-250B 250 mm Pull-Tight Plastic Seal – Beaded Tail, All-Plastic

All-plastic pull-tight seal in new polypropylene: 250 mm overall length, 2.6 mm beaded tail and 40 × 20 mm marking flag. Catalogue MOQ 500 pieces – the lowest among our published plastic seals – with nine stock colors.

MC-250big flag original product photograph 1

MC-250big flag

MC-250BF Big-Flag Pull-Tight Seal – 105 × 85 mm Label Flag, 250 mm, Metal Clip

Pull-tight polypropylene seal with an extra-large 105 × 85 mm flag for printing or sticking shipping labels: 250 mm overall, metal locking clip, 2.6 mm tail, about 7 g. Catalogue average tensile 85.26 N. MOQ 1,000.

MC-260 big flag product reference from the original catalogue, page 20

MC-260 big flag

MC-260BF Pull-Tight Seal 260 mm – 60 × 30.3 mm Print Flag, Metal Clip, 18 kg

Pull-tight polypropylene seal with a 60 × 30.3 mm print flag and metal locking clip: 260 mm on the drawing, 2.5 mm tail, 2.9 g. Catalogue average tensile above 18 kg; MOQ 1,000.

MC-300B/400B original product photograph 1

MC-300B/400B

MC-300B/400B Pull-Tight Plastic Security Seal

MC-300B/400B is a 300/400 mm single-use plastic security seal. Review the original drawing, material, packing, marking options and representative application before ordering.

MC-335F All-Plastic Pull-Tight Seal 335 mm – product photo 1

MC-335F

MC-335F All-Plastic Pull-Tight Seal 335 mm – Flat Toothed Strap, 40 × 25 mm Flag

All-polypropylene pull-tight seal with a flat toothed strap: 335 mm overall, 40 × 25 mm flag, 265 mm toothed section. Catalogue average tensile 10–15 kg; MOQ 10,000 pieces.

MC-410T product reference from the original catalogue, page 25

MC-410T

MC-410T Hand-Tear Pull-Tight Seal 410 mm – Beaded Strap, 28 kg, 4.6 g

Long hand-tear pull-tight polypropylene seal: 410 mm overall, 6 mm beaded strap (250 mm locking section), 30 × 20 mm flag, 4.6 g. Catalogue tensile 28 kg; MOQ 1,000 pieces.

MC-CF Pull-Through Cable Seal 1.0–2.5 mm – product photo 2

MC-CF

MC-CF Pull-Through Cable Seal 1.0–2.5 mm – Aluminum Body, Custom Length

Adjustable pull-through cable seal with an aluminum body, zinc-alloy die-cast locking device and aeronautic steel wire rope in 1.0, 1.5, 2.0 or 2.5 mm; custom cable length. White laser marking. MOQ 1,000 pieces.

MC-CFB product reference from the original catalogue, page 9

MC-CFB

MC-CFB Heavy Cable Seal 3.0–5.0 mm – Aluminum Body, Pull-Through Lock

Pull-through cable seal for heavier closures: aeronautic steel wire rope in 3.0, 3.5, 4.0 or 5.0 mm, custom length, aluminum body with zinc-alloy die-cast locking device. White laser marking; MOQ 1,000 pieces.

MC-ER500/600/700 Extra-Long Pull-Tight Seal – product photo 1

MC-ER500/600/700

MC-ER500/600/700 Extra-Long Pull-Tight Seal – 500, 600 or 700 mm Round Tail

Extra-long pull-tight polypropylene seal in three lengths – 500, 600 or 700 mm – with a round tail, metal locking clip and a hole for a hang tag. Catalogue 142 N, 6.1 g; MOQ 2,000 pieces.

Four green MC-ERPS strap seals before use, flat straps with flag heads

MC-ERPS

MC-ERPS 300–500 mm Heavy-Duty Pull-Tight Strap Seal – Metal Locking Insert

Pull-tight polypropylene strap seal with an internal metal locking clip, in 300, 400 and 500 mm lengths. Highest catalogue tensile value among our published plastic seals (>30 kg). MOQ 1,000 pieces.

MC-ERPS400T original catalogue product reference with dimension drawing

MC-ERPS400T

MC-ERPS400T Hand-Tear Strap Seal 400 mm – Metal Clip, 62.8 × 25 mm Flag, 30 kg

Heavy-duty pull-tight polypropylene strap seal with a metal clip and hand-tear release: 400 mm overall, 62.8 × 25 mm flag, 7 mm strap. Catalogue tensile 30 kg – the strongest hand-tear seal in this range. MOQ 10,000.

MC-JY165 product reference from the original catalogue, page 11

MC-JY165

MC-JY165 Short Pull-Tight Seal 165 mm – Metal Locking Clip, 30 × 18 mm Flag

Short pull-tight polypropylene seal, 165 mm overall, with a metal locking clip, a 30 × 18 mm marking flag and a 2 mm tail. Catalogue tensile 10 kg; MOQ 5,000 pieces.

MC-JY166 original product photograph 3

MC-JY166

MC-JY166 166mm Hand-Tear Pull-Tight Plastic Seal

MC-JY166 is a 166 mm polypropylene security seal with a printable flag. Catalogue MOQ 1,000 pieces. Review the original drawing, catalogue strength value, packing, customization and representative application.

MC-JY236T product reference from the original catalogue, page 17

MC-JY236T

MC-JY236T Hand-Tear Pull-Tight Seal 236 mm – Metal Clip, 40 × 20 mm Flag

Pull-tight polypropylene seal with a metal clip and hand-tear release: 236 mm overall, 40 × 20 mm flag, 2 mm tail. Removes without a cutter. Catalogue tensile 15–20 kg; MOQ 1,000 pieces.

MC-JY350J product reference from the original catalogue, page 22

MC-JY350J

MC-JY350J Pull-Tight Seal 350 mm – Metal Clip, 45 × 26 mm Flag, 15 kg

Pull-tight polypropylene seal with a metal locking clip: 350 mm overall, 45 × 26 mm flag, 3.5 mm tail, 5.59 g. Catalogue tensile 15 kg; MOQ 1,000 pieces, 1,000 per carton.

MC-JY418D Double-Lock Pull-Tight Seal 418 mm – product photo 1

MC-JY418D

MC-JY418D Double-Lock Pull-Tight Seal 418 mm – Two Metal Clips, 46 × 29 mm Flag

Pull-tight polypropylene seal with two metal clips (double lock): 418 mm overall, 46 × 29 mm flag. The second clip adds a backup grip on the tail. Catalogue tensile 15–20 kg; MOQ 1,000 pieces.

MC-JY418T Hand-Tear Double-Lock Seal 418 mm – product photo 2

MC-JY418T

MC-JY418T Hand-Tear Double-Lock Seal 418 mm – Two Metal Clips, Tool-Free Removal

Pull-tight polypropylene seal with two metal clips and a hand-tear release: 418 mm overall, 46 × 29 mm flag. Locks at two points, opens by hand. Catalogue tensile 15–20 kg; MOQ 1,000 pieces.

MC-K2 1.8 mm Pull-Tight Cable Seal – product photo 1

MC-K2

MC-K2 1.8 mm Pull-Tight Cable Seal – 300 mm Aircraft Cable, Zinc Head with ABS

Adjustable pull-tight cable seal: 1.8 mm braided aircraft cable (300 mm standard, custom length available) through a hexagonal zinc-alloy head wrapped in ABS. Catalogue average tensile above 250 kgf; MOQ 1,000 pieces.

Green MC-KTPS pull-tight seal locked in a loop with the round tail through the head

MC-KTPS

MC-KTPS 200/300/370 mm Pull-Tight Seal – Metal Locking Insert, Round Tail

Polypropylene pull-tight seal with a metal locking clip, 2.5 mm round tail and 37 × 20 mm flag. Three lengths: 200, 300 and 370 mm. Catalogue average tensile 10 kg; MOQ 1,000 pieces.

Two MC-NCF cable seals, blue and green aluminum bodies, cables pulled through to form loops

MC-NCF

MC-NCF Adjustable Cable Seal 1.5–5.0 mm – Aluminum Body, Pull-Through Lock

Adjustable single-use cable seal: steel wire rope in eight diameters from 1.5 to 5.0 mm, custom cable length, pull-through locking body. White laser marking on the aluminum body. Catalogue MOQ 5,000 pieces.

MC-R2 strap seals in yellow, blue and red before use

MC-R2

MC-R2 337 mm Pull-Tight Plastic Strap Seal – All-Plastic, 15–20 kg

All-plastic pull-tight strap seal in pure polypropylene, 337 mm overall length, flat serrated strap and flag head. Catalogue tensile 15–20 kg; MOQ 1,000 pieces.

MC-R5 original product photograph 1

MC-R5

MC-R5 Extra-Long Hand-Tear Seal 550 mm – Round Tail, Metal Clip, 58 × 30 mm Flag

Extra-long pull-tight polypropylene seal: 550 mm overall, round 3.3 mm tail, metal locking clip and hand-tear release, 58 × 30 mm flag. Catalogue tensile above 20 kg; MOQ 5,000 pieces.

MC-R6 Label Holder Pull-Tight Seal 462 mm – product photo 2

MC-R6

MC-R6 Label Holder Pull-Tight Seal 462 mm – 105 × 56.5 mm Writable Flag

Pull-tight polypropylene seal with a 105 × 56.5 mm label-holder flag that can be printed or written on with a marker: 462 mm overall, more than 20 locking points along a 213 mm toothed section. Approx. 20 kgf; MOQ 1,000.

MC-R650 product reference from the original catalogue, page 30

MC-R650

MC-R650 Extra-Long Pull-Tight Seal 650 mm – Round Tail, Hang-Tag Hole, Metal Clip

Extra-long pull-tight polypropylene seal: 650 mm overall, round 2.9 mm tail, metal locking clip, 80 × 30 mm flag with a hole for a hang tag. 6.1 g; catalogue tensile 142 N. MOQ 5,000 pieces.

MC-RTPS original product photograph 1

MC-RTPS

MC-RTPS Round-Tail Pull-Tight Seal 200 / 300 / 400 / 500 mm – Metal Clip

Round-tail pull-tight polypropylene seal with a metal locking clip in four lengths: 200 mm (42 × 20 mm flag, 2.3 mm tail), 300 mm, 400 mm and 500 mm (53 × 30 mm flag, 3.87 mm tail). MOQ 1,000 pieces.

MC-URPS original product photograph 1

MC-URPS

MC-URPS Pull-Tight Strap Seal 280 / 360 / 450 mm – Metal Clip, 60 × 26 mm Flag

Pull-tight polypropylene strap seal in 280, 360 or 450 mm with a metal locking clip, a 5.4 mm strap and a 60 × 26 mm flag. Seven stock colors. MOQ 1,000 pieces.

LET’S START WITH YOUR APPLICATION

Tell us what needs sealing.

Share the closure, quantity and marking requirements.

Discuss your requirements ↗