Curb and Ramp Training Set includes three curbs with handles can be nested and conveniently stored under ramp platform. Natural wood finish with anti-slip safety tread in ramp. Ramp platform 44" x 84". Ramp incline graduates from 3/4" to 8" high. Curb sizes: 40" x 40" x 6", 36" x 36" x 4", 32" x 32" x 2".