150pcs/order. we don’t ship items to APO’s, FPO’s, AE’s 50pcs 12×16, 100pcs 9×12 exterior size: 12″ x 16″+(1.5″flap). interior size: 12″ x 16″ 2.5 Mil exterior size: 9″x 12″+(1.5″flap). interior size: 9″ x 12″ 2.5 Mil * gray outer surface, black inner layer. * high quality self sealing mailers. * strong glue. * water proof. * tear resistant. * lightweight. * 100% recyclable. * No international shipping.