Hybrid RV Mattress: 72x75x10'' short king size, is suitable for most caravans, and campervans, allowing you to reap the benefits of a better experience, king size RV hybrid mattress will keep you cozy and warm on those long nights on the trip. 4 LAYERS WITH BAMBOO COVER: 4 layers to relieve pressure, 1.7" Air Sense Foam + 1" high-density foam + 6.3" Spring support system + 1" support foam. Besides, it owns a flame-retardant inner case and a removable bamboo cover. MATTRESS IN A BOX: By using advanced compression technology, rolled and shipped in a bag, reducing packaging size. This RV king mattress is compressed and smartly shipped in a box for convenient delivery and set-up, so you can easily carry it up the stairs through a narrow door. Please allow the new mattress 24 - 72 hours to recover its original shape. COMFORTABLE EXPERIENCE: This RV mattress is made of hybrid and high-density foam with medium firmness to minimize vibration while ensuring quality sleep, which will help you reap the benefits of quality sleep on the trip. CERTIPUR US: The RV mattress is CertiPUR US for durability, performance, and content. Experience the feeling of luxury with the new 2024 ESHINE 10” Gel Memory Foam RV Mattress. Let's sleep to our heart's content! From top to bottom in this short king size RV mattress: 2“ gel-infused air memory foam (light blue) 1.5” high density memory foam 6.5” support system, shock absorbing for RVs, campers and trailers