color elastic disposable pe fresh-keeping cover leftovers refrigerator freshness bowl cover household food grade fresh-keeping film cover wholesale 彩色松紧一次性PE保鲜套剩菜冰箱保鲜碗罩家用食品级保鲜膜套批发

blue bag transparent 100 pieces blue bag transparent 200 pack blue bag transparent 300 pack self-sealing color elastic 100 pieces (high pressure) self-sealing color elastic 200 pieces (high pressure) self-sealing color elastic 300 pack (high pressure)

stretch length 38cm