What you get 12 quality colorful LED ice cube lights. Each cube measures 2.7 × 2.7 × 2.6 cm (1.06 × 1.06 × 1.02 in). Key features and benefits Icecube shape with builtin LED: provides even, attractive illumination to enhance ambiance at home, bars, clubs, or events. Waterproof and submersible: safe to place in drinks, coolers, punch bowls or decorative water displays. Foodgrade plastic: safe for use around food and beverages. Simple, hands operation: LED automatically turns on when placed in water and turns off when removed. Longlasting light: each cube contains 3 nonreplaceable AG3 button batteries and provides at least 10 hours of continuous lighting. Reusable: dry the contact/screw area and battery compartment after use to ensure reliable operation for next use. Practical use scenarios Parties and events: add colorful lighting to punch bowls, beverage stations or ice buckets to create a lively atmosphere. Bars and clubs: use in cocktail glasses, large drink tubs or cocktail displays to highlight signature drinks without additional wiring. Home décor and gatherings: place in coolers, vases, or table centerpieces for soft accent lighting during dinners or celebrations. Notes for results After removing cubes from liquid, dry the sensitive contact screw and battery area before storage to maintain reliable automatic switching. Batteries are builtin and nonreplaceable (3 AG3 button cells per cube). Materials, size and performance summary Quantity: 12 cubes Size: 2.7 × 2.7 × 2.6 cm (1.06 × 1.06 × 1.02 in) Material: foodgrade plastic Power: 3 nonreplaceable AG3 button batteries per cube Runtime: at least 10 hours continuous lighting Waterproof: submersible for use in liquids These LED ice cubes provide a safe, easy way to add color and light to drinks and displays without wiring or setup, ideal for parties, hospitality, and home entertaining.