The Boyd Specialty Sleep Pure Posture 14 in. Dual Air Chamber Mattress offers dual chamber support so that each person can adjust their own comfort level. A single hand control adjusts both the Left and Right Chambers. Adjustable Air Cushion Support provides stability for the Pure Posture Air 1200 while preventing edge sag, making it easier to get in and out of bed. This 14-inch tall mattress offer high density convoluted support foam that provides contouring comfort and support. About Boyd Specialty Sleep Founded in 1977 by Dennis Boyd, Boyd Specialty Sleep creates and imports specialty sleep products, with a firm belief in the health benefits of a good night's sleep. With a reputation for creating high-quality latex and memory foam mattresses, placing your nocturnal trust in Boyd Specialty Sleep is a safe bet.This mattress comes with a 25-year limited warranty. Call Boyd at (314) 997-5222 with questions.Sound Sleep GuaranteeOur Sound Sleep Guarantee lets you try out your new mattress and make sure you found the perfect one. Give your new mattress a try for 21 days - that's about how long a new mattress takes to conform to your body and for you to get used to it. If after the first 21 days and up to the first 100 days after delivery you decide the mattress isn't for you, call us at 866-530-4157 and we'll come pick up the old one and exchange it for a different mattress for you. Here are the details: The Sound Sleep Guarantee applies only to the following brands: Laura Ashley, iMattress, King Koil, Sealy, Serta, Simmons, and Stearns & Foster. All other mattress brands cannot be returned.Pick-up and exchange is one time only per customer.A processing and pick-up fee of $99 is required.If you choose a new mattress with a higher price than the one we re picking up, you ll need to pay the difference.We are unable to accept returns or cancellations; only exchanges.Valid only within the 48 contiguous states.