Fit Most People: these glowing cup necklaces are about 80 cm/ 31.5 inch in length, 5.1 cm/ 2 inch in cup diameter, 3.5 cm/ 1.38 inch in base diameter, 5.7 cm/ 2.24 inch in height, the right size for most people to wear, no stress; You can also use them to hold drinks, fun and practical. Long Lasting Glow: these glow in the dark necklaces should absorb no less than 5 hours of sunlight so that they glow better, the longer they absorb, the longer the glow lasts; Wearing them will make you the center of the party; Note: the bead chain does not glow, the cup glows. Ideal Party Accessories: these glow necklaces are ideal accessories for glowing Halloween, neon themed parties, light up parties, glow in the dark events, evening parties, carnivals, birthday parties, concerts, weddings, festivals or other celebratory occasions, setting off a strong party atmosphere. Lightweight and Wear Resistant: crafted by plastic material, these neon party supplies are safe, reliable, hangable, reusable, lightweight but strong, not easy to break or wear, easy to clean and store, and can serve you for a long time. Shot Glass Necklaces Pack: you will get 24 pieces of glowing cup necklaces in 6 colors, namely red, blue, green, purple, rose red and orange, 4 each color; They can glow in dark environments and attract others attention, bringing more fun, nice for Halloween parties and Christmas parties, glow parties or family gatherings.Manufacturer: Sureio. Customer Reviews: 4.6 out of 5 stars 16 ratings 4.6 out of 5 stars. Best Sellers Rank: #90,748 in Health & Household. Manufacturer recommended age: 12 years and up. Item model number: EY-Sureio-1444. : B0B62DQT5M. Item Weight: 1.39 pounds. Package Dimensions: 8.03 x 6.81 x 2.52 inches.