Ideal for a bunk bed . trundle bed . or the toddler transitioning to the big-kid bed . the Linenspa Explorer 6-inch Innerspring Mattress provides everyday comfort while not hitting your wallet too hard. Supported by six inches of durable steel coils and plush comfort foam . this medium-firm mattress will last for years to come. The top layer of foam is ventilated and infused with cooling gel to help regulate body temperature through the night. With a soft quilted cover great for snuggling in . this 6 inch mattress is just as comfortable as it is supportive. This mattress in a box arrives compressed for easy shipping. Simply unbox . unwrap . and unroll??allowing up to 48 hours to fully decompress. Settle in for a comfortable night . sleeping easy knowing you found an incredible value with the Linenspa Explorer 6-inch Innerspring Mattress.