What is the difference in the sizes other than PERIPRO-411 available?

• We have other models in different sizes. The size of PERIPRO-512 keyboard wrist rest is 44 x 10 x 3.3 cm (17.32 x 3.94 x 1.3 inches).  Here is the link for your information of PERIPRO-512: Link
• We have another model, PERIPRO-511, and its size is 39 x 10.7 x 3 cm (15.35 x 4.21 x 1.18 inches). Here is the link for your information of PERIPRO-511: Link

Do you make a other sized one as well?

• Yes, we have the other mouse size wrist rest. It is PERIPRO-101. Here is the link for your information of PERIPRO-101: Link