Jillson Roberts Bulk Medium Tyvek Padded Shipping Envelopes, Star Bright, 36-Count (BMY493) Ship beautifully and responsibly; 36 fun blue mailers in a playful celestial motif; interior of envelope measures 9 x 12 Inches Tyvek envelopes are tear, puncture and water resistant; contents are protected by foam padding Envelopes contain a minimum of 10% post-industrial recycled content; printed with non-toxic inks that are renewable and biodegradable; foam lining is 100% post-consumer recycled resin 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