This is an extremely versatile incline, also known as a "cheese mat" or "wedge mat" because of its shape. Ideally used for learning basic tumbling skills and combines easily with other skill shapes for a range of setups for developing many motor skills. It"s also great for preschool, developmental gymnastics or home use. It may also help you tumble with gravity while learning back handsprings, back tucks, etc. It"s filled with polyurethane foam. in a blue and yellow color.FEATURES: Blue and Yellow color outside; Dense 55ILD polyurethane foam inside; Beginner Level; Overall Dimensions: 37"(L) x 23"(W) x 14"(H)