This Tank Top Bag easily adjusts to fit securely on most Youth ATV's, 90cc and under. The tank top position is great for keeping your kid's essential gear close at hand, inside the roomy padded and lined compartment. It's constructed of rugged 600-denier water-resistant polyester pack cloth and equipped with deluxe double zipper pulls. The smooth bottom material won't scratch paint. It's easy to install or remove in seconds. One size fits most Youth ATV's and many motorcycles.