About This [Wear-resistant PET Material]:The material of the ice grips Made of TPE and non-slip studs.The nail position of each shoe is determined after countless tests to maximize the grip. [Easy to Wear]:Just stretch the front end of the crampons and place it on the front of the shoe, and place the back on the heel. [Anti-slip Detail Design]: 10-claw design can offer excellent traction on ice and snow, so as to avoid slipping or blowing down in a snowstorm. [Fit for Adult]:The universal size is perfect for adult/child men and women.There are 10 non-rusting and ground-gripping metal studs that are made from stainless steel. [Wide Range Usage]:Gripper spike is fit boots, sneakers, snow boots, snow shoes, casual and dress shoes .These ice cleats for shoes and boots can be stretched, folded, and stored. Overview Size : Universal Sport : Climbing, Mountaineering Style : Spike Brand : LACE INN Material : Stainless Steel