It is made of water-resistant PVC and has a waterproof molded bottom.
Brad's Deals Editor Candace,
Get this Guide Gear Boat Bag for $24.99 at The Sportsman's Guide. Plus, activate this free 3-Month Buyer's Club Trial Membership and enter coupon code BRADSHIP at checkout to drop the price further to $22.49 and get free shipping. This is the lowest price we could find for anything comparable by $18. It is made of water-resistant PVC and has a waterproof molded bottom. It has an adjustable strap, reinforced grab handles, and measures 23 3/4"L x 11 2/3"W x 12"H. There's no sales tax (except MN and CA).