Locking format
Confirm the locking format on the model drawing and sample.
MC-TB01 / TURNOVER SEALS
Snap-in polypropylene seal for logistics turnover boxes (tote boxes and attached-lid crates). 0.9 g per piece, 38 × 8 mm tag for logo, serial number or barcode. MOQ 2,000 pieces, 5,000 per carton.
Price and delivery timing are confirmed against your quantity, colors and print requirements.
PRODUCT OVERVIEW
MC-TB01 is a single-use seal for logistics turnover boxes – the plastic totes and attached-lid crates used in warehousing, retail distribution and e-commerce. It is a small polypropylene part (0.9 g) that snaps through the lid and box holes and locks with flexible barbs. The tag is 38 × 8 mm according to the catalogue; the drawing shows 38.5 mm length and 18 mm height. Print a logo, serial number or barcode on the tag. MOQ is 2,000 pieces, packed 200 per bag and 5,000 per carton.
Push the seal through the aligned holes in the lid and box until the barbs spring open on the inside; it cannot be pulled back out without breaking it.
Quantity, color, the hole diameter on your tote, marking (logo, serial, barcode) and destination.
Confirm the locking format on the model drawing and sample.
Polypropylene (PP)
Specify artwork and identifier requirements so the print method and available marking area can be confirmed.
TECHNICAL DATA
| Model | MC-TB01 |
|---|---|
| Seal type | Turnover seals |
| Material | Polypropylene (PP) |
| MOQ | 2,000 pieces (catalogue). |
| Lead time | Confirmed after quantity, color, artwork and destination are reviewed. |
| Seal type | Snap-in tote box seal, single-use |
| Tag size | 38 × 8 mm (catalogue); 38.5 mm long, 18 mm high (drawing) |
| Weight | 0.9 g per piece |
| Material | Polypropylene (PP) |
| Removal | Break the seal |
| Catalogue pages | 77 |
Source: MANCHAO Security Seal Catalogue 2024, PDF pages 77. 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 use: logistics turnover boxes. Typical users are distribution centers, pharmacy and grocery delivery networks and parcel hubs that reuse attached-lid crates and need a fast, cheap seal for each trip. Check the hole size on your tote before ordering.

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 logo and name, serial number or barcode on the 38 × 8 mm tag. MANCHAO offers laser marking, screen printing, UV printing and hot stamping on plastic surfaces, confirmed on a production sample. Catalogue colors: yellow, white, green, blue, orange, red (optional).
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.

Yellow, white, green, blue, orange, red (optional)
INSTALLATION & INSPECTION
1. Close the lid and align the sealing holes. 2. Push the seal through the holes until the barbs open inside. 3. Scan or record the number. 4. Remove by breaking the seal. Single-use.
PACKING & ORDERING
200 pieces per bag, 5,000 pieces per carton; carton 42 × 28 × 70 cm; gross weight 5.5 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
A small snap-in seal that locks the lid of a logistics turnover box or attached-lid crate. If the seal is broken, the box has been opened.
It fits crates with aligned sealing holes in the lid and box. Send us the hole diameter or a photo, and test a sample.
Yes. The catalogue lists logo, name, serial number or barcode on the 38 × 8 mm tag.
2,000 pieces, packed 200 per bag and 5,000 per carton.
MC-TB01 / START YOUR ENQUIRY
Tell us your quantity, colors and marking requirements.