Pack of 30 Padded Envelopes 10.5 x 15 Inches/216 x 381 mm Waterproof Expedition Envelopes – Black

Size and Material - 10.5 x 15 inches/216 x 381 mm, the bubble mailers are made of multi-layer polyethylene sheets, much stronger than paper envelopes, the bubble mailers are pleasant to the touch and are perfect for labelling and stamping. Bubble lined envelopes are lightweight and water resistant. Reduce your company's shipping costs. Keep your products safe. These bubble mailers come with a tamper evident self-adhesive seal. The adhesive on the flap is strong enough. improve the security of your package. Bubble lined envelopes, lightweight and durable; can be used in the office, home, schools and wherever there is a need for shipping