USB Rechargeable Cocktail Glass Set Base Bumpers (4 x Small Black Glow Guards)

4 USB Rechargeable Black Glow Guard Base Bumpers1 Designed to fit snugly around cocktail, martini, or wine glasses the Glow Guard will keep you protected from a detrimental break plus it ads some fun to the shindig with a 6 color changing LED light! The sleeve has a stretch capability so the apparatus can fit onto pieces with bases between 2.75 inches and 4 inches. *This product listing includes 4 units.  FEATURES/Unit: - High Quality Silicone Material - 6 Color LED Changing Light: Red, Yellow, Blue, Purple, Turquoise, Green - Water Resistant LED's - About 25 Hours of Continuous LED charge. - Replaceable Batteries. Watch how Here! - 2 x CR1620 Lithium Watch Batteries (replaceable) - Stretch Capability Up To 1.25 Inches BENEFITS: - Protects The Base Of Your Glass and Illuminates Your Drink! - High UV Protection Resulting In Minimum Color Change From Elongated Sun Exposure - Significantly Better Flame Resistance Than Rubber (up to 400 degrees)  - Illuminate Your Glass Water Pipe With Co