THIS MERMAID TAIL INCLUDES THE PATENTED FIN FUN MONOFIN FOR SWIMMING (59.95 MSRP) The Fin Fun Monofin includes an engineered flexible, unbreakable polypropylene insert with a dive grade neoprene cover; not a flimsy piece of plastic with uncomfortable elastic. The Fin Fun Monofin won't sink you down. Designed for maximum propulsion, while maintaining a mermaid shape. Feet are not strapped in, making removal in the water easy; a tug, a kick and you're out! EXCLUSIVE MERMAIDENS MERMAID FABRIC Exclusive fabric designs look like real scales on land and magical mermaid scales in the water! Available in a rainbow of fashion colors. HOW TO SIZE MERMAID TAILS Please measure your mermaid to ensure accuracy in sizing. Waist measurements are measured at the waist. Length measurements are measured from the waist to the ankle.The Fin Fun swimsuit mermaid skin will stretch to fit most mermaids. MERMAID SIZING FOR CHILDREN CHILD 6, Waist 21-23 inches, Length 21-23 inchesCHILD 8, Waist 23-24 inches, Length 23-26 inchesCHILD 10, Waist 24-25 inches, Length 26-29 inchesCHILD 12, Waist 25-28 inches, Length 29-33 inches MERMAID SIZING FOR ADULTS ADULT X-SMALL, Waist 28-33 inches, Length 32.5-37 inchesADULT SMALL, Waist 31-35 inches, Length 32.5-37 inchesADULT MEDIUM, Waist 34-38 inches, Length 32.5-37 inches SAFETY PRECAUTIONS FOR BECOMING A MERMAID Only for experienced swimmers ages 6 and up, not a flotation device, adult supervision required. TAKING CARE OF YOUR MERMAID TAIL Machine washable gentle cycle cool water, hang to dry.