· IDEAL FOR COMPACT SPACES – This mattress is designed for smaller-sized bed frames, making it an ideal choice for spaces like bunk beds, trundle beds, day beds, and RVs.· TRADITIONAL SUPPORT, BETTER FOR THE PLANET – This reliably comfortable hybrid will provide even support night after night and arrives to you in a new smaller box that reduces its carbon footprint· RELIABLE SUPPORT - Heavy-gauge steel coils are interconnected to deliver consistent, durable support from head to toe· MADE TO LAST – Durably designed to last you for years to come; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs· CERTIFIED SAFE MATERIALS – Crafted from high-quality CertiPUR-US certified foam and wrapped with an OEKO-TEX certified mattress cover all produced without the use of harmful chemicals for safer, healthier sleep