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.