The ImpressAir seat provides comfortable, stress free sitting with a gentle layer of air that helps eliminate pressure points. Available in two versions, both being reactive, which assists in maintaining correct posture. One has a permanently inflated reactive air cell and the other is adjustable by adding or subtracting air. Can be inflated with a manual bulb or with a mini battery powered pump. Manufactured from the best PU films ensuring the longest active life, tested to 180,000 cycles with no degradation of product or loss of air.