1. Material: Alloy, PVC
2. Size: about 6.7x1.8x1.8 cm
3. Weight: about 23 grams
4. Purpose: emergency broken window
5. Features: mini compact, easy to carry and use, with key ring, can be used as a pendant, tungsten steel alloy, high hardness, easy to break windows underwater, exquisite appearance, high and low temperature resistance