Patented Levelift Technology Curves The Seat For A Safe Gentle Lift Provides 100% Lift For Those Up To 300 Lbs Easy-to-adjust Flexible Hand Control To Position Where Its Convenient For You Large Toggle Switch - Stop The Lift At The Height You Choose Removable Three-layer Cushion With Memory Foam For Maximum Comfort Portable With 2 Ergonomic Carry Handles Stable Non-skid Base For Peace-of-mind Washable Zippered Cover With Comfort Mesh For Improved Air Flow Wipe Down Cushion With Mild Soap & Water For Quick Clean-up Has Been Awarded The Arthritis Foundation Ease-of-use Commendation