Features: brand new and high quality New and high quality. Consistent smooth glide ensured The round and curved edge have super fitness, wont scratch the mouse pad. Wheel pressing process added to prevent the mouse skates from dent inside. It will smooth and quiet during the mouse skates application, stong wear resistancy. Filmly adhesive and the removable adhesive technology makes no residue when remove. Specifications: Product Name: Mouse Skates Model: for Logitech MX Vertical and MX Lift Vertial Material: PTFE Color: Black Package Size:As Pictures Quantity:2Sets/Pack Mouse Skin (Without Mouse) Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 2 Sets X Mouse Pads (Without Mouse)