20x 6.5"x 10" Self Sealing Poly Bubble Mailers ( 6.4" X 9" USABLE SPACE) Made from 100% polyethylene Entirely recyclable High slip lining Allows easier product insertion and extraction, increasing productivity Self-seal closure Tamper-evident, increases content security Bubble lining Provides cushioning to reduce shipping damage Polyethylene exterior Improved strength provides better protection than Kraft mailers White outer shell Clean appearance is nice Shipping and Handling: Free USPS First Class Mail Shipping Product will be shipped out within 24 hours after payment cleared. Return / Refund Return is accepted within 30 days after the buyer receipt the item If this item is damaged or defected upon receipt, customer has up to 30 days from date of receipt for exchange of a new one. Include your name, address, item, daytime telephone, and if you are requesting a refund or exchange. After getting the returned item, we will refund the customer at the item's price (excluding the shipping costs to and from).