Fosmon #000 Kraft Bubble Mailer 4 x 8, Padded Shipping Envelopes, (100 Pack) PERFECT SIZE  Exterior Size: 4 x 8 inch. Usable size: 4 x 7 inch. Fosmon Size #000 Self-Sealing Bubble Mailers provide outstanding low-cost shipping protection for a wide variety of products. SAVE ON SHIPPING COSTS  Each Fosmon mailer is lightweight and it will save you on postage. Despite being light, they are strong enough to protect your items from being damaged. STRONG & SECURE  Fosmon mailers are made from the highest quality in material that provides high-strength seams which ensure your items stay safe until opened. SHIP WITH CONFIDENCE  Upgrade your company image and ship with high-quality Fosmon mailers. Shipping labels adhere securely to the recycled Kraft paper to ensure package arrived safely. SHIPPERS APPROVED Approved to use with major carriers  USPS, UPS, FedEx, DHL and more.