Waterproof Folding Foam Mat Doublesided Aluminum Foil with EPE Core Protective, insulating, and lightweight, this folding foam mat is designed for outdoor use and easy transport. The doublesided aluminum foil surface combined with an expanded polyethylene EPE core delivers waterproof performance, thermal insulation, and resistance to wear and tear. Key features Materials: Doublesided aluminum foil outer layers with an EPE foam interior that is light, wear resistant, and easy to carry. Performance: Waterproof, heat insulating, and cold proof. Helps protect sleeping bags and users from sharp stones, roots, and moisture. Portability: Folds for compact storage and comes with a storage bag for easy transport. Sizes available: 0.9m x 2m, 1m x 2m, 1.2m x 2m, 1.5m x 2m, 1.8m x 2m, 2m x 2m, 2.5m x 2m, and 3m x 2m. Choose the size that fits your tent, vehicle, or activity. Why this mat solves common problems Keeps you dry and insulated from cold or damp ground, improving sleep comfort during camping and trekking. Shields sleeping bags and gear from sharp stones and branches, reducing wear and extending gear life. Reflective aluminum layers help retain heat during cool nights and act as an insulating barrier in hot conditions, for example as a sunshade insert at a car windshield. Practical use scenarios Overnight camping: Lay the mat under your sleeping bag inside a tent to create a waterproof and cushioned barrier from uneven or damp ground. Day trips and picnics: Use as a ground sheet for sitting or dining outdoors; the smooth foil surface wipes clean easily. Seasonal support for equipment: Place under a portable hot tub to reduce heat loss in cool weather or use as an insulating layer on a vehicle windshield in summer. Additional details Foldable design for compact carrying and storage in the included bag. Durable EPE foam core for repeated outdoor use. Multiple sizes make the mat suitable for solo sleepers, couples, family setups, and vehicle applications. This folding foam mat is a practical accessory for camping, trekking, picnics, and outdoor equipment support when lightweight protection and thermal insulation are needed.