Features & Details Fit Most Motorcycles: This motorcycle tail bag fits most motorcycles, including touring, standard, cruiser, and dirt bikes. Four straps thread through the frame holes or rear handrail for quick installation, and tightening the buckles keeps it stable 30 L Large Capacity: This lightweight motorcycle rear seat bag measures 17.7 x 11.8 x 7.9 in (L x W x H). It easily holds a 15-inch laptop, riding jacket, rain gear, food, and repair tools—everything you need for your ride Durable & Waterproof: The tail bag features a waterproof inner liner to keep items completely dry, plus a rain cover for heavy storms. The high-density nylon shell is splash-resistant and scratch-resistant, making it ideal for daily use Multi-Use Bag: Unfasten the buckles to convert this motorcycle seat bag into a backpack or crossbody bag for easy off-bike carrying. It is great for daily commuting Practical Design: The motorcycle tailbag includes exterior loops for attaching extra gear. The premium waterproof zipper ensures smooth operation with no water seepage