Luminous Mermaid Tail Shawl: Our mermaid tail scarf glows in the dark. Expose the blanket to bright light for at least 15 minutes, and then turn off the light. The longer the blanket is exposed to sunlight or light, the more colourful it will be in the dark! The Cozy Mermaid Tail Blanket is constantly being improved and is the most comfortable blanket and sleeping bag for children. It has a reinforced sewn-in tail to reduce product damage. SUPER SOFT FLANNEL FABRIC The glowing mermaid tails are soft, cozy, breathable and skin-friendly. The mermaid blanket for children is the most cuddly blanket that can be used in all seasons Cute gift for girls: children's mermaid tail blanket size: 43 x 100 cm, designed for ages 2-8 years old girls and toddlers who are no larger than 3.5 feet. You take mermaid tail blanket home as a gift for your girl for Christmas or her birthday. Make your daughter or granddaughter's dreams of a mermaid tail come true!