1. Material: Silicone
2. Dimensions: wrist rest: 12.7 x 6.2 x 1.8 cm, medium size: 36 x 6.8 x 1.75 cm, large size: 43.5 x 6.8 x 1.75 cm
3. Weight: Wrist rest: 90g/piece, medium size: 362g/piece, large size: 422g/piece
4. Healthy material, no peculiar smell
5. Good softness and elasticity, automatically recover after kneading
6. Two colors, you can choose according to your preference