The 12'x52 Boulder Swirl Above Ground Pool Liner Unibead is a durable and reliable option for your above-ground pool. Made of high-quality rubber material with a vinyl grommet, this round liner is suitable for fresh water pools. This set includes everything you need to ensure your pool is fully lined and ready for water. Upgrade your pool with this beautiful boulder swirl design that will enhance the look of your outdoor space. Made in USA virgin vinyl 12' round liner 52 wall height unibead.