Skillbuilders Positioning RollSkillbuilders Positioning Roll Skillbuilders rolls are made of molded foam coated with an integral washable coating. Heavy duty positioning and vestibular rolls are ideal for institutional use in physical therapy departments, home use, special education programs, pre school programs, physical education classes and the gym. The Skillbuilders roll has an attached handle for hanging and carrying. Dimensions: 4" x 4" x 24" 16" x 16" x 48" Weight: 3. 0 35.