The SPRI Roll Out Ladder resists bunching-up and stays in place on all types of indoor surfaces, and select outdoor surfaces. Made of heavy-duty, durable, non-skid recycled rubber, this ladder quickly unrolls and lies flat, then rolls up for easy storage and portability. Generous 16″x 12.5″ ladder area makes it perfect for all ages and ability levels. 15’ x 16″ x 1/4″, weighs 11lbs.