PREVENT FLAT SPOTS - Prolonged storage creates flat spots in tires | The curved design of our tire ramps ensures you keep your tires round even after extended vehicle storage | DURABLE, HEAVY-DUTY DESIGN - Our Tire Saver Ramps are crafted from heavy-duty polypropylene plastic with a cross-ribbed design for extra strength | Each ramp can easily support up to 10 tons | UNIVERSAL FIT - Our ramps are 20% longer and twice as wide as standard flat-free tire ramps | We protect almost all tires and wheel types with ease | 21.5” x 14.2” x 3.4” and weigh 23 lbs | ANTI-SLIP PADDING - Built-in non-slip rubber feet hold your Tire Savers in place | For particularly slippery floor surfaces, additional anti-slip rubber feet are available | SIMPLE INSTALLATION - Position the vehicle where you intend to store it, then reverse straight back 2' to 4' | Place the ramps in front of each tire | Drive your vehicle slowly onto the ramps until the tires roll into the rounded cradle