The Royal Triple Station Sit Up Bench is a great addition to any outdoor fitness area. It is designed to be used by up to three people at one time. This piece of fitness equipment is designed to specifically work and strengthen the abdominal muscles. Abdominal muscles are important core muscles that help to support and balance the entire body. This piece of fitness equipment is part of the royal fitness series, so it comes with instructions for its use. The frame is made with a galvanized steel tube, and it comes with stainless steel hardware. It is manufactured to have no sharp edges. The Royal Triple Station Sit Up Bench has a tough powder coated finish that ensures maximum durability. It is made out of commercial grade material and is intended for outdoor use. It is designed to be used by people who are 13 years of age and older.