Glow in The Dark Dinosaur Blanket Cute dinosaur blanket provides decoration for the child's room 10-15 Minutes Of Light,In Dark Emit Fluorescence DAYMODE NIGHTMODE How does the blanket glow? Need to absorb 10-15 minutes of light, then in a dark room will emit fluorescence What material is the children's blanket soft? The children's blanket is made of 100% polyester, 310 GSM fabric, which is very kind to the skin and super soft. How big is the size of the blanket suitable for children? The length of the blanket is 60 inches and the width is 50 inches, which can completely cover children from 1-12. Machine wash This blanket is super easy to care for. Just toss it in your washing machine on a gentle/cold (under 80 ℉) wash cycle and then air/tumble dry on low for the best long-term care,blankets are fade&stain resistant.