FeaturesMemory foam encourages correct ergonomic wrist angleHelps prevent repetitive stress disordersNonskid, natural rubber backSpecificationsColor: BlackFor Use With: MouseMaterial: Memory Foam, Natural Rubber (Base)Battery Information: Product does not require a battery Weight: 0.Tapa Circut Dual Micro2 Fuse Holder; Black The non-skid, natural rubber back keeps the pad in place as you easily glide your mouse over the pad's surface.0723 lbs.