VEYLIN Black Poly Bubble Mailers, 50 Pack Bulk Padded Envelopes for Mailing, Waterproof Mailing Self Seal Polymailer Bags Shipping 18x23cm

PACK : Comes in a generous bulk pack of 50 black poly bubble mailers, ideal for frequent shippers and small businesses. SUPERIOR PROTECTION: Features a 3-layer structure comprising a surface layer, bubble lining, and inner lining, providing excellent cushioning and crushing resistance for your items 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 18cm x 23cm with a 4cm flap, making them perfectly sized for shipping phones, documents, small accessories, and other lightweight items.