Specification: Brand AOTU Model AT8608 Name Size 18 toothed crampons Material Silica gel + stainless steel Size M yards (tile size: length 18CM, width 12.5CM, height 0.5CM) L+ code (tile size, length 22CM*, width15.5CM, height 0.5CM) Quantity one set of two pieces Color Black Weight M yards: 430 grams L+ yards: 500 grams Suitable for shoes code M yards, suitable for 36-40 yards, L+ code is suitable for 43-47 yards Packing size 19*14*5CM Suitable for site Snow, ice, mud land Features: 1. Portable Can be rolled up to fit into bags, purses and even pockets. 2. Quickly Mountable Can be slipped over footwear in seconds.Easy to get on and off, comfortable and stays in place 3. Multipurpose Traction Perfect for everyday use, outdoor winter work or a variety of winter activities such as ice fishing, hunting, walking, jogging, hiking, running, snow shoveling, etc.Walk with confidence on any terrain, snow, ice, mud sand, and wet grass. 4. High Quality Material Finest quality Silicone material is used in the manufacturing process to ensure durability, strength and high quality. Package included: 1 Pair x Anti-slip 18-teeth Climbing Crampons Notice : The shoes/boots is NOT included, the pictures are only for showing more item details.