The Marlin Splash inflatable water slide, wet or dry, duel slides, each with their own rock climbing. Kids can climb up one side and slide down, make a right and start the process all over again. One slide is smooth, the second slide offers bumpy action all the way down. Size: 50' L X 18' W X 18' H. Space required 55' X 20'. Rental is $510.00. *Children 4 and under not permitted on large water slides without an adult.