500pcs/order. we don’t ship items to APO’s, FPO’s, AE’s, AK, HI & PR 100pcs 7.5×10.5 400pcs 6×9 exterior size: 7.5″ x 10.5″+(1.5″flap). interior size: 7.5″ x 10.5″ 2.4mil exterior size: 6″ x 9″+(1.5″flap). interior size: 6″ x 9″ 2.4mil * white outer surface * high quality self sealing mailers. * strong glue. * water proof. * tear resistant. * lightweight. * 100% recyclable. * No international shipping.