Kordon"s Turtle Ramps provide simple, stable and easily cleaned platforms for aquatic turtles, salamanders and frogs to exit the water and bask as they would in their natural environment. The Medium Ramp main platform measures 5 inches by 6.5 inches and the perch measures 3.5 inches long by 3 inches wide. The total length of the Medium Turtle Ramp including the access ramp is 11 inches. When using this ramp, the depth of the water in the terrarium should be at least 3 inches.