100x Premium Glossy Black Mylar Foil Open Top Pouch FDA Approved Packaging Bags (12cm x 18cm) Item located in the US, normal delivery time 2-5 business days. Colors (Front/Inside/Back): Glossy Black/Silver/Glossy Black Outer Size: 12x18cm (4.7x7.1") Inner Size: 10.5x17.5cm (4.1x6.9"), *Size may vary 2-3mm. Material: Mylar Foil, Glossy Finish, Water-resistant & Heat-sealable Can store up to 170g of powdered products