Upgrade your sleep experience with the Boyd Sleep TopAire Supreme Dual Adjustable Inflatable 4" Mattress Topper. Crafted from the most durable Tpu materials in the industry, this inflatable mattress topper offers superior leak resistance and air-tight technology. The TopAire topper is made with PolyFusion material, an innovative combination of vinyl and fabric that provides soft, quiet sleep all night long. Tailor your mattress to perfection by independently inflating or deflating the left and right sides from plush to firm, allowing you to achieve your desired level of comfort. The center support chamber provides additional stability and balance for a restful night's sleep. With a 4" height and horizontal beam construction, this mattress topper offers exceptional posture support and comfort throughout the night. The included convenient handheld air pump makes inflation and deflation a breeze, giving you control at your fingertips.