100 Kraft Stand Up Zip Lock Bags with Semi-Clear Viewing Window Outer Size 12x20cm (4.7x7.8") Colors (Front/Inside/Back): Kraft/Clear/Kraft Outer Size: 12x20cm (4.7x7.8"), Inner Size: 10.5x15cm (4.1x5.9") *Size may vary 2-3mm. Material: Kraft & Clear Mylar, Thickness: 3 MIL (8C) Can store up to 280g of powdered products