DescriptionHard studs into a premium strap band, more flexible with goodelasticity. Suitable for different shoe size and fit most foot wear:sneakers, boots, casual and dress shoes. Durable, portable, lightweight,so can put it in a small storage bag. Easily fitted over existingfootwear in all styles and shapes.Features-Color: Assorted Color.-Material: silicone, steel. -Size: 11.00X5.00X0.30cm/ 4.32X1.97X0.12inch. -Made of silicone, with black color, light weight, comfortable to wear and easy to carry. -Hard anti-slip nails installed under a super flexible silicone strap band, it will make your walking and climbing more flexible. -It is suitable for different shoe size and fit most foot wear for silicone has excellent elasticity and can stick to your shoes tightly. -Simple stick the toe of your shoe in the front loop and grab the strap on the back and stretch it over your shoe's heel. -Easily take on or off to fit boots, sneakers, casual and dress shoes great for ice fishing, hunting, walking, jogging, hiking, running, snow shoveling, etc.