The Leesa Trundle Mattress is perfect for trundle beds that need a slim design. Crafted with comfort and support, this mattress is designed for occasional use when sleep quality is still important. Its breathable green-grey knit cover offers cool comfort, while an aerated foam layer with billions of micro air capsules soothes joints. Plus, its materials are GREENGUARD Gold certified for low chemical emissions and made with environmentally innovative foams certified by CertiPUR-US®, so everyone can rest easy night after night. A foam base layer provides excellent support and stability for all sleep positions.