... Capacity: 3 adults 3) Lucite Acrylic A310 Spa, Family use indoor spa, Hot tub, Swim spa, Massage tubDimensions (L x W x H ... ® Acrylic (Standard Shell Colors: Alba, Sterling silver & Navy)Spa Cabinet Material:PS Wood-Plastic Composite PanelsCabinet Frame:Preserve Woods ... USA) on the under-side of the spa shell: YesSparelax Control SystemYes A310 Spa, Family use indoor spa, Hot tub, Swim spa, Massage tub