This is a rubber slope with a high anti-slip effect. For indoor use. This is the 76cm wide series, and we offer sizes from 1 to 10cm in height, in 0.5cm increments. □ The surface has a diamond-cut shape for high anti-slip effect. □ The basic slope is designed at 14 degrees. This angle is safe for both walkers and wheelchair users. Diamond Slope is a product developed through industry-academia collaboration between the Hyogo Prefectural Institute of Technology, Kobe Gakuin University, and Shinei Techno Co., Ltd., with the support of the Japan Science and Technology Agency's FY2009 Regional Needs-Responsive Grant. Awarded the "2015 Hyogo No.1 Monozukuri Grand Prize"!! Awarded the "Planet Welfare Equipment Award 2016"!! Selected for the "Kansai Monozukuri Shin-sen 2017"!! Material: Hard rubber Color: Brown