DESCRIPTION Large Capacity This motorcycle helmet backpack can accommodate various motorcycle helmets, ski helmets, full face helmets, off-road helmets, etc. It can also fit a 15.6-inch laptop, 5-6 sets of summer clothes, and essential personal travel items. Suitable for daily commuting, office, and outdoor activities. Waterproof Design This motorcycle helmet backpack is made of PVC film material with waterproof fabric. It is important to note that the seams of the zipper are not waterproof. The back is designed with Oxford cloth and cotton to ensure comfort. Better Load-Bearing Capacity This motorcycle helmet backpack features a 40L large storage space, upgraded ergonomic shoulder straps, designed to be tear-resistant, durable, and with enhanced weight-bearing capacity. Enhanced Protection This motorcycle helmet backpack has a lined pocket inside, and the inside pocket can hold a laptop; the inner fabric is made of cotton, which can protect the helmet from scratches. Security-Enhanced Design This motorcycle helmet backpack features reflective designs on the front and both sides of the shoulders, ensuring high safety. FITMENT Universal Fit