Outside Dimension: 6cm*10cm (2.4"*3.9") Inside Dimension: 5cm*7cm Waterproof, re-sealable, can be used over and over again. Perfect for jewelry making, crafts, costume design, Electronic products & accessories etc The ziplock bag is easy closed and recycling Material: High quality transparent PP(Propene Polymer) Color: Front is clear, Back is white Notice: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.