521 Star Stickers: Glow in the dark stickers set includes 521 luminous stars in 4 sizes: 32 stars (25mm), 102 stars (15mm), 144 stars (10mm), 243 stars (5mm). Abundant stars are shining on the wall to accompany your child at night. When seeing the starry sky within reach, your child will feel in a dreamlike worldSafety Material: Dark stickers are made of PVC, which is waterproof and non-toxic material, safe for kids. You can peel them easily and stick on a dry and flat surface firmly, and they will not fall off until you remove them Lull Your Child to Sleep: The soothing light of the crescent moon and stars will slowly lull your child into falling asleep into sweet dreams, waking up refreshed and so will you. Switch off the lights and enjoy a starry shiny bedroom How to Use: Put glowing star under the light source absorb it for 15-20 minutes, and then glowing in the dark.The longer time luminous stickers absorb sunlight or light at daytime, the perfecter the effect at nightDecoration Gift: This moon and the glowing stars set make a brilliant gift for adults and kids’ nursery. This lovely space decoration is suited for room, smooth wall or ceiling and can be enjoyed as a gift for kids' birthday, Baby shower and Party favors