Function: 1. LED LIGHT COLOR: LED cup stickers will emit red, yellow, blue, green, pink, white, orange, seven-color light, the light is brilliant and colorful, very nice. 2. PODKŁAD: Our LED cup stickers have good adhesive backing, not easy to fall off, reusable, long service life. 3. 4. COOL DESIGN: Our LED cup stickers have a unique reflective sticker design, the light can be refracted from any angle, very cool. 5. SET OF 12: Our LED cup sticker set includes 12 pieces, enough pieces to embellish and decorate your home mug. Specification: Item Type: Glowing LED Cup Sticker Material: EVA, element electronic Size: Diameter: ok. 6 cm / 2,36 inch Thickness: ok. 0,3 cm / 0,12 inch Glowing light color: red, yellow, blue, green, pink, white, orange, seven colors Power Supply Battery: 2 CR1220 batteries (supplied with built-in battery) Weight: ok. 110 g / 3,9 oz List of packages: 12 x glowing LED cup sticker