Recommended for use from newborn up to 6 months; 20 lbs. Fits any Tripp Trapp® chair produced after May 2003 Made from plastic, cotton and polyester. Finished in Gray. Enables the Tripp Trapp® to be used from birth. Perforated for optimal air flow. 5-point safety harness and soft shoulder pads for comfort. Ergonomic and spacious with optimal leg support. 2 positions for baby´s comfort with one-hand trigger for angle adjustment. Red-green indicators turn green when it is mounted correctly on the Tripp Trapp® chair. Easy to use, no tools required to attach and remove it from the chair. The comfortable upholstery can be removed and machine washed.