Publisher: Fammart. The waterproof design causes water to bead up and roll off, allowing the mat to dry quickly for your next use. 【Versatile Outdoor Blanket for Every Occasion】 Whether you’re lounging at the beach, hiking through nature, attending a festival, or enjoying a picnic, this versatile mat can be used as a beach tarp, hiking blanket, picnic blanket, ground cloth, and more.