VEYLIN 50Pcs Black Poly Bubble Mailers, Bulk Padded Envelopes for Mailing, Waterproof and Tear-Proof Postal Bags Polymailer Shipping 20x25cm

BULK PACK : Comes in a generous pack of 50 black poly bubble mailers, ideal for frequent shippers and small businesses needing reliable packaging on hand. SUPERIOR 3-LAYER PROTECTION: Features a robust 3-layer structure comprising a surface layer, bubble lining, and inner lining, providing excellent cushioning and crushing resistance during transit. WATERPROOF AND TEAR-PROOF: Constructed from durable poly material that is fully waterproof and tear-proof, keeping contents safe from moisture and rough handling throughout delivery. SELF-SEAL CLOSURE: Equipped with a peel-and-seal adhesive strip for quick, secure, and hassle-free sealing — no tape or additional tools required. DIMENSIONS: Each mailer measures 20cm x 25cm with a 4cm flap, perfectly sized for shipping phones, documents, small accessories, and other lightweight items.