Protect your customer's purchases & fragile business items in extra-strong kraft bubble mailers to ensure that everything reaches its destination safely. A sturdy kraft exterior & a thick air-cushion interior provide a clean professional appearance while delivering reliable protection to your materials during transit. Single-use peel-and-seal closure helps you streamline your packing & shipping tasks. Flap Type: Square; Trade Size: #2; Security Tinted: No; Opening: Open End.