1. Material: High-density PVC 2. Size: 14 x 10 cm 3. Weight: About 30 g (without water) 4. Introduction: It can be used by adding hot water. It is safe, environmentally friendly, anti-slip, non-slip, anti-scalding, warming your hands and warming your heart. 5. Features: Exquisite pattern design, colorful, spiral cover, new leak-proof, high temperature resistance, corrosion resistance, no deformation 6. Scope of application: Winter artifact, work, go out, warm hands and explosion-proof, safe and reliable to make winter more secure and comfortable
