Swimline's friendly Dancing Dolphin Pool Floats never get tired of entertaining children and amusing adults. The water-weighted bottom of Swimline's 18" and 36" (45.7 cm and 91.4 cm) Dancing Dolphin Pool Toys keep them upright on water and land. With their smiling faces and colorful bodies, S Swimline's fun pool floats catch plenty of looks and smiles. Your pool will have its own trained dolphins! These pool toys bring lots of smiles! The Swimline Dancing Dolphins are made from durable vinyl with radio frequency (RF) welded seams and have easy inflate stem valves.