Walmart offers the Belkin Wave Rest Gel-Filled Cushion Wrist Pad in Black, model no. F8E263-BLK, for $8.36. Opt for Site-to-Store pickup to dodge the $4.97 shipping fee. (Amazon charges the same with free shipping for Prime members.) That's the lowest price we could find by $3. It features GelFlex Comfort Zone cushioning for flexible support.