Full waterproof coverage for little riders Zip up side panel allows for use of bench mode and easy loading & unloading Folds down to fit in included storage bag Storage bag is mesh for quick drying after use, wipes down for easy clean Durable transparent Vinyl construction Compatible with the following wagon models: Build-A-WagonA(R): Stroll 'N Wagon(TM), 3970, 3971, 3973, 3974, 3976, 3977, 3978