EXTRA WIDE – Exterior Size: 6.5 x 10. Usable size: 6.5 x 9 inch. 2.35 mil. Fosmon Size #0 Self-Sealing Bubble Mailers provide outstanding low-cost shipping protection for a wide variety of products. LIGHTWEIGHT MAILERS – 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. WATER & TEAR RESISTANT – Your items will always stay safe and dry when shipping in Fosmon mailers, regardless in rain or snow. SHIPPERS APPROVED –Approved to use with major carriers