BCP Black Color Neoprene Sleeve Soft Protector/ Bag/Pouch for Microsoft Sculpt Comfort Bluetooth Mouse (H3S-00003) Package included: 1pcs neoprene mouse bag Size (L x W): 4 1/2 x 3 inches. Fit for Microsoft sculpt comfort bluetooth mouse Black color carabiner hook (included) allows you to attach it on bags and backpacks Noted: mouse is not included