Unit has six positions from 0 - 30 incline. Just pop spring-loaded pin in any of six positions. Foam padded board: 44 in. L x 16 in. W. Covered with heavy marine grade vinyl. Ankle and knee supports are fully padded for comfort. Adjusts six positions from 0 to 30 degree incline. Warranty: One year. 22.5 in. L x 66.5 in. W x 45 in. H.