This weight bench makes work more effective, as well as adds strength and tone to the entire abdominal section. With ample padding and heavy-duty steel construction, the sit-up machine provides stability for simple exercises and is ideal for you to more easily emphasize lower abdominal muscles and build the abs you want in less time. Material: Steel Unit weight: 40 lbs Weight capacity: 440 lbs Rectangular tube size: 38 x 38 x 1.5 mm Size of the pad: 31.1" x 9.4" (L x W); 15" x 11.8" (L x W) Pad thickness: 1.6" Adjustable height: 45.3" (4 levels adjustable) Whole size: 57" x 30" x 45.3" (L x W x Max. H) Package includes: 1 x weight bench (assembly needed), 1 x instruction Notes: 1. Simple assembly is required according to included instruction. 2. Please warm up fully before training to avoid physical injury.