The 30" Transparent Swim Ring is an inflatable, vinyl pool tube made with heat welded seams in 8 gauge vinyl. The ring comes complete with a non-scratch air safety valve. Your swim ring will measure out to 30" across upon deflation. The size of the 30" Transparent Swim Ring is ideal to accommodate most children ages 8+, (it has not been constructed specifically for adult usage). The ring is transparent, and we have assorted colors in stock. Add the life to any pool party with these one-of-a-kind swim rings.