More Supple And More Comfortable - Alternating pressure pads are composed of multiple sealed air chambers that gently inflate and deflate via a proprietary algorithm to evenly distribute weight and relieve pressure points, improving your loved one's quality of life Quiet Pressure Pump - This Alternating Pressure Mattress has an ultra-quiet air pump with a noise of less than 40dB. It has adjustable multi-level settings to easily find the perfect comfort level, allowing you to enjoy a quiet and comfortable sleep High Quality Fabric - This Pressure Sore Pads are made of medical-grade PVC fabric, which is easy to clean, breathable and waterproof. The high-quality material ensures optimal patient comfort and provides a better sleep Suitable For Medical Home Mattresses - Decubitus Pressure Mat supports 350 lbs., effectively relieving pain from body ulcers and bedsores, ideal for long-term care of bedridden patients at home, hospital or nursing home Easy To Install And Use - This alternating pressure air mattress fits most medical bed sizes, inflated dimensions: 75"(L) x 35"(W) x 2.8"(H). The air mattress can be easily installed on an existing mattress or frame .The included air hose is flexible and non-binding for easy installation.