The DUELING™ Back to Back™ Inflatable Waterslide with its 4 in 1 Action is like your own Water Park in your back yard! Make sure you have room for this Monster, it is a 40 FOOT LONG unit. Double Slides are back to back. You have a Water Slide and a Tunnel Slide on each side. Four kids can slide on 4 different slides at once. Huge 40x16x10 Feet Tall! This Unit is rated for Residential use. Handles up to 4 Users at once. Weight Capacity is 400lb's overall. Item Weight 150lbs Includes Blower, Stakes, Instructions Free Shipping included!