100 Black Premium Metallic Foil Open Top Mylar Bags with Tear Notches Outer Size 4x6cm (1.5x2.3") Colors (Front/Inside/Back): Black/Silver/Black Outer Size: 4x6cm (1.5x2.3"), Inner Size: 3x5.5cm (1.1x2.1") *Size may vary 1-2mm. Material: Metallic Mylar, Thickness: 3 MIL (8C) Can store up to 8g of powdered products