200pcs/order. we don’t ship items to APO’s, FPO’s, AE’. exterior size: 12″ x 17.5. interior size: 12″ x 16″ (silver) exterior size: 6″ x 10.5. interior size: 6″ x 9″ (silver) * gray outer surface, black inner layer. (not white) * high quality self sealing mailers. * strong glue. * water proof. * tear resistant. * lightweight. * 100% recyclable. * No international shipping. * 2.5mil thickness. it is stronger than item thickness with from 2.4mil to 1.7mil