Jillson Roberts Bulk Large Tyvek Padded Shipping Envelopes, Chrome Dots, 36-Count (BLY117B) Ship beautifully and responsibly; 36 festive polka dot mailers; interior of envelope measures 11 x 15-1/2 inches Envelopes contain a minimum of 10% recycled fiber; printed with linseed and soybean oil-based inks; foam lining is 100% resin Tyvek envelopes are tear, puncture and water resistant; contents are protected by foam padding; no tape or cutting necessary All Jillson Roberts Tyvek padded mailers are USPS, UPS and FedEx approved; made in the USA Jillson Roberts offers a beautiful selection of environmentally sensitive wrap for a wide range of occasions, wine and gift bags, tissue, curling ribbon, Tyvek designer mailers and more, available on Amazon