Sea to Summit Dry Bag 30L

From the Amazon Listing

• Waterproof & Rugged - Crafted with heavy-duty 500D PVC, seamless welded seams, and a watertight top zipper, HEETA motorcycle dry bag keeps your gear completely dry, blocking water, sand, and mud. For lasting use, all stress points are double-reinforced to resist tears, and the strap hooks feature a thickened design for exceptional strength.
• Ample Storage & Safety-First Design - Choose from 30L, 50L, and 70L sizes for generous storage on any trip. This tail bag is designed with separate zippered pocket for quick access to essentials like your phone. For added safety, reflective strips on both sides significantly increase your visibility during night rides.
• Quick & Secure Installation - Featuring an easy-open zipper, this saddle bag mounts to your motorcycle in about 20 seconds. The 4 heavy-duty D-rings serve dual purposes: attaching shoulder straps or providing a rock-solid mount on your bike. Side handles make carrying and securing easy.
• Multiple Carrying Ways - Effortlessly adapt this travel bag to your needs: use the padded top handle, the single removable strap for shoulder/crossbody carry, or attach the two padded backpack straps for comfortable hands-free use. It offers ultimate carrying versatility.
• Versatile Usage - More than a motorcycle duffel bag, it's your essential gear hauler for camping, hiking, road trips, and weekend getaways. It's also perfect for snow/water sports, as a camera or commute bag, and even as a carry-on for flights. One bag for every adventure. WARNING: Risk of Cancer and Reproductive Harm from 2exposure to Di(2-ethylhexyl) phthlate [DEHP]. Seewww.P65 Warnings.ca.gov.