50pcs/order. we don’t ship items to APO’s, FPO’s, AE’s * exterior size: 19″ x 25.5″. interior size: 19″ x 24″ * 2.5mil thickness. * gray outer surface, black inner layer. * high quality self sealing mailers. * water proof. * tear resistant. * lightweight. * 100% recyclable. * No international shipping.