High-strength Rubber Curb Ramps:Our injection molded curb ramps are made with industrial-grade rubber materials that resists to UV rays,moisture,oil,chemicals and extreme temperature,delivering reliable performance in all weather conditions!Unlike cheap plastic vehicle ramps that easily crack,chip,rip or shatter,our anti-aging rubber vehicle ramps feature exceptional strength and resilience,won’t crack or deform even the car run over them,providing outstanding impact resistant performance All-weather Performance:Reliancer driveway curb ramps are engineered for long-term outdoor use!They can withstand extreme cold and heat (-22°F to 131°F) without cracking or deforming,resist the fading from sun exposure,endure wear and tear from heavy-duty loads and harsh climates,provide consistent and professional-grade performance in any harsh weathers,like windy day,rainy days,snowy days!It is the cost-effective solution to help vehicles get over curbs or steps smoothly 5 Ton Strong Load-bearing Capability:Our threshold ramps are built to perform reliably in any terrible conditions and can support up to 11023 lbs per each ramp,which makes them withstand heavy use and heavy loads,enable your cars,trucks,RVs,trailers,SUV,motorcycles,bikes,lawnmowers,wheel chairs,strollers,trolleys,or other heavy-duty commercial vehicles to transit to an elevated surface with ease,while protecting your car’s tires and undercarriage from damage caused by curb 4.2" Rise Height:Each set comes with 2 pcs sidewalk curb ramps,each ramp measures 18.8"L x 16.4"W x 4.2"H,which provides a large contact area and gentle slope,helping vehicles ascend curbs smoothly!Ideal for most garage ramps,road curbs,driveway,warehouse,loading docks,parking lots,street steps and other uneven ground!Combine multiple curb ramps together to gain longer ramp or create your own custom ramp to meet your different needs.Please check the ramp angle and height before making a purchase Non-Slip Textured Surface & Stable Grid Structure:For maximum safety,each curbside ramp features an anti-slip textured surface to increase friction against tires,avoiding slipping when driving over them,preventing vehicles from rolling back on rainy or snowy days!The bottom is designed with a hollow grid,which effectively distributes the pressure,brings better grip and more stability,ensures the rubber ramp stays firmly in place,even on slippery or uneven surfaces Cable & Water Channel:The bottom of the rubber driveway ramp is specially designed with a groove to allow water to go through to avoid accumulated water and unpleasant odors after the heavy rain!Plus,this channel is capacious to cover the cables,power cords,wires,hoses and pipes,protect them from pressure damage,while helping to reduce the risk of pedestrians tripping over exposed cables Permanent & Temporary Installation:Each driveway bumper ramp has 2 pre-drilled holes and matching expansion screws allow for permanent installation to avoid moving or or shaking!You also can use them for temporary devices,just place them in the position where you need for quick use,because of their own weights,they won’t move easily