Material: Made with heavy duty plastic that won’t break so fast. Designed with honeycomb edges for superior traction, increasing friction, strong and durable enough to exert its function. Absolutely a trusty wheel chocks foldable for your car and garage. Product Size: 55*17.5*1cm / 22*6.9*0.5inch. This is universal size and perfect fit for most sizes of tires. HOW IT WORKS: Mats prevent your vehicle's tires from spinning and slipping. Just keep this product in the tire direction, when the car stuck or rotating in mud or snowfield. Fit all kinds of weathers. Absolutely a necessary tool to unstuckyour car from snow mud sand etc.. Special reminder: This product is only designed for soft ground pavement and snowfield, If it is tested and rolled on hard pavement, it will rolling cracks, the consequences at your own expense! Foldable design, convenient to carry and keep: Collapsible and lightweight. Wash it and fold it well when you are not using it