MAMBASNAKE Keyboard Wrist Rest - For Your Body Thinking Lifestyle
You can choose the following 4 sizes
1, 61 Keys: Length * Width * Height: 12.2 x 3.1 x 0.6 inches (31 x 8 x 1.5 cm); 0.5 lbs (0.25 kg)
2, 68 Keys: Length * Width * Height: 13.0 x 3.1 x 0.6 inches (33 x 8 x 1.5 cm); 0.9 lbs (0.35 kg).
3, 87 Keys: Length * Width * Height: 14.2 x 3.1 x 0.6 inches (36 x 8 x 1.5 cm); 0.45 kg (0.45 kg)
4, 104 Keys: Length*Width*Height:42*8*1.5CM; 0.50kg