Two Shayz Loungers and Two Sets of 12" Risers are included in this Combo Pack. Designed for an easy purchase of Two Loungers that work in pool depths up to 17" deep, or less. The 12" Risers lift the bottom of the seating surface to 13.75" from the ground. If using in pool depths under 17" you could choose Shayz Loungers with different Riser heights: 4" Risers are avalable for pool depths up to 9", 8" Risers are available for pool depths up to 13", and 12" Risers are available for pool depths up to 17".