Very Important: Children Use Should Aways Under Adult Supervision; Please Swim Within Your Limit Range; Please Do Not Dive or Swim Over, Under or Through Objects; Please Swim in Clear, Calm Waters Swim Person Recommend Age: 7+ Years Old The color of the real item may be slightly different from the monitors show; There may be 1-2 cm errors due to the different measure methods. Features: 1. Package Included: Decide the goods you choo,（A Mermaid Tail Only ）or 2pcs set (1 monofin+ 1 Mermaid Tail) 2. The 1pc Mermaid Tails sew on the bottom(it can put the monofin inside smoothly) 3. The Years is only for reference,please check the detail measurement before purchasing,thanks. Adult Mermaid Tail information: Condition: New Material: 80% nylon+20 spandex Size Chart(Please note that 1 cm = 0.39 inch) Size S--Tail length 120cm/47.24"-- Hips 72cm/28.34" Size M--Tail length 125cm/49.21"-- Hips 76cm/29.92" Size L--Tail length 130cm/51.18"-- Hips 80cm/31.49" Kids Mermaid Tail information: Condition: New Material: 80% nylon+20% spandex Size 110--Tail length 92cm/36.22"--Hips 52cm/20.47" Size 120--Tail length 97cm/38.18"--Hips 55cm/21.65" Size 130--Tail length 102cm/40.15"--Hips 58cm/22.83" Size 140--Tail length 107cm/42.12"--Hips 62cm/24.40" Size 150--Tail length 112cm/44.09"-- Hips 66cm/25.98" Monofin Information: Specification: Material: Acrylic Color: Blue,Pink Size information: Kid Size Recommended for Kids 8-12 Years Shoes Size US Kids 11- Kids 5 Adult Size: Width 55 cm The swimming costume washing Instructions Rinsing after use in cold water,squeezing excess water out gently. Do not twist the fabric,do not use detergent,bleach,or fabric softeners. Do not iron or dry clean,The bright shiny foil finish may fade after wear.all of the sparkly foil will come off if you run it through a washing machine!