THESE W2/W4 BUMPER COVERS ARE READY TO SHIP. RTS Racing Checkered Anti-Scuff Padded Stroller Wagon Bumper Covers. Choose between a set of two or four. You invest a lot of money & time in picking the correct stroller wagon for your family. Protect your investment against scuffs, dings and marks when loading your stroller wagon into the trunk of your vehicle. Continue your daily adventures, without the scratches to your frame. Our loading bumper bars are made from soft cotton. They are quilted with approximately half an inch of padding and are secured into the wagon frame with velcro closures. Our anti-slip backing ensures the bumper cover stays in place after installation. Our (patent pending) design is unique because it offers / ensures that the canopy poles of your stroller wagon have ample space to retract and move freely, while the bumper bars are installed. *Not affiliated with Rainbow Baby/Joymor/Wonderfold. This is an accessory made to be compatible with the WF stroller wagon. Handmade (with love) in the USA