200pcs/order.100pcs each 6×9, 7.5×10.5 we don’t ship items to APO’s, FPO’. exterior size: 6″ x 11″. interior size: 6″ x 9.5″ 2.5Mil Thickness. exterior size: 7.5″ x 12. interior size: 7.5″ x 10.5″ 2.5Mil Thickness. * gray outer surface, black inner layer. * high quality self sealing mailers. * strong glue. * water proof. * tear resistant. * lightweight. * 100% recyclable. * No international shipping.