Locking format
Confirm the locking format on the model drawing and sample.
MC-260 big flag / PULL-TIGHT PLASTIC SEAL, WIDE FLAG
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.
Price and delivery timing are confirmed against your quantity, colors and print requirements.
PRODUCT OVERVIEW
MC-260 big flag is a single-use, pull-tight seal with a wide 60 × 30.3 mm flag and a metal locking clip. The original drawing shows 260 mm (10.2 in) overall with a 2.5 mm tail; the catalogue text lists 250 mm. It weighs 2.9 g. Feed the tail through the head and pull tight. Catalogue average tensile is above 18 kg – much higher than the 105 × 85 mm big-flag version. MOQ is 1,000 pieces, packed 200 per bag and 5,000 per carton. Stock colors include pink and purple.
The tail passes one way through the metal clip and cannot be loosened.
Quantity, color, marking (logo, serial, barcode) and destination.
Confirm the locking format on the model drawing and sample.
100% virgin polypropylene (PP) with metal locking clip
Specify artwork and identifier requirements so the print method and available marking area can be confirmed.
TECHNICAL DATA
| Model | MC-260 big flag |
|---|---|
| Seal type | Pull-tight plastic seal, wide flag |
| Material | 100% virgin polypropylene (PP) with metal locking clip |
| Total length | 260 mm (10.24 in) |
| Catalogue tensile value | >18kg |
| MOQ | 1,000 pieces (catalogue). |
| Lead time | Confirmed after quantity, color, artwork and destination are reviewed. |
| Flag size | 60 × 30.3 mm; 6.34 mm head (drawing) |
| Tail | 2.5 mm (drawing) |
| Locking | Metal clip inside PP head |
| Weight | 2.9 g per piece |
| Tensile strength | Average above 18 kg (catalogue) |
| Removal | Scissors or cutter |
| Catalogue pages | 20 |
Catalogue source: MANCHAO 2024, PDF pages 20. Reported value: >18kg. Test method and minimum guaranteed force are not established by this entry; confirm model-specific test evidence before specifying a required rating.
Source: MANCHAO Security Seal Catalogue 2024, PDF pages 20. Dimensions follow the original drawing, which takes priority over conflicting catalogue text. Company printing services confirmed October 2026. Model-specific claims require supporting evidence.
DIMENSION REFERENCE

Check the original dimension drawing and your closure openings before ordering.
APPLICATION CHECK
Catalogue-listed uses: logistics and courier services. The 60 mm flag fits a logo plus a long serial number or barcode, which suits parcel sacks, cash bags and returnable totes. Images are a catalogue product photo and the original drawing.

Thread through the zipper pull and adjacent anchor eyelet, then lock and record the identifier. Check both openings, loop clearance and seal engagement on a sample.
AI-generated application illustration; confirm closure fit with a sample.MARKING & COLORS
Catalogue marking: company information printed on the 60 × 30.3 mm flag. MANCHAO offers laser marking, screen printing, UV printing and hot stamping on plastic surfaces; the process is confirmed on a production sample against your artwork, serial format and barcode size. Catalogue colors: white, yellow, red, blue, pink, purple or custom.
Fine logo, text and serial identification; contrast depends on the seal color and material.
Solid-color logos and text; artwork and color matching are approved before production.
Color artwork and identification; layout and surface adhesion are checked on a sample.
Foil-transfer text and logos; confirm foil color, marking area and artwork.

White, yellow, red, blue, pink, purple; custom colors on request
INSTALLATION & INSPECTION
1. Pass the tail through the closure (bag neck, zipper pulls, hasp or handles). 2. Feed the tail through the locking head in the arrow direction. 3. Pull until tight; check that it cannot be pulled back. 4. Record the serial number. 5. Remove with scissors or a cutter. Single-use; do not reapply.
PACKING & ORDERING
200 pieces per bag, 5,000 pieces per carton; carton 50 × 42 × 34 cm; gross weight 15 kg (catalogue).
Send your quantity, destination, chosen colors and print requirements. Confirm samples, current packing and delivery terms before placing an order.
PRODUCT DOCUMENTS
BUYING QUESTIONS
The original drawing and the model name give 260 mm; the catalogue text lists 250 mm. Check on a sample.
60 × 30.3 mm, according to the drawing.
The catalogue lists an average above 18 kg.
MOQ 1,000 pieces, packed 200 per bag and 5,000 per carton (50 × 42 × 34 cm, 15 kg gross).
MC-260 big flag / START YOUR ENQUIRY
Tell us your quantity, colors and marking requirements.