The SK-100-MR Mini BMX Launch Ramp is a compact, light weight and portable launch ramp for hours of enjoyment on location. For safety and optimal performance, these BMX Ramps must be secured in place to prevent slipping during use. 18"L x 9-7/8"W x 6-7/8"H Mini BMX Skateboard Launch Ramp * Mini sized BMX and skateboard launch ramp, also fun for remote controlled RC cars * Maximum 250 lb. rider capacity * Single, fully portable lightweight launch ramp * Mounting is required for optimal stability and safety (includes 4 mounting screws) * Durable, molded plastic with a high traction surface