ADFOLF 36 Pack Flashing Led Bumpy Rubber Rings for Party Favors,Light Up Finger Toy LED Rings & Ponytail Holders are the LONGEST lasting (3-4 times longer lasting) and BRIGHTEST (40% brighter) in the industry. WHEN ONLY THE BEST COUNTS! They can be used as party favor rings, pony-tail holders and toe rings. Loop them in your laces and light up your running shoes for fun and visibility. Each flashing ring rapidly flashes three super bright LED colours. These rings are sure to be enjoyed whether they are lighting up a room or just worn as a statement piece The light up rings are made out of a nice adjustable, rubber material. The rings can fit quite a few different size fingers as it has enough give to stretch and does not feel constricting even on your thumb. Cute party favor,Halloween,Christmas rings. Great bonus. These light up rings do have a chemical smell when you open the package, so we would recommend airing these rings out for a couple of days before using them. Activated and and deactivated by squeezing the party favor ring. It's easy to turn flashing ring toys on/off, just push the button of the led light and the flashing starts with all kinds of bright colors, push the button again and the flashing stops. The led light is in the middle of the ring and it has built in battery that supply the power for the led light. Batteries are non replaceable or rechargeable but last for a long time. The flashing light flashes pretty fast. The party favor ring is the most popular of all the flashing Halloween,Christmas rings. The led jelly ring box has plenty to go around and a variety of colors for anyone who may be picky about the colors they associate with(for example, boys generally like blue and do not like pink). Assorted colors contain yellow, pink, blue and green. Different shapes come with spikes, crown, bubbles, pom poms, roses & hearts. Very eye-catching in the dark This set consists of 36 pieces party favor rings of various colors. They are all individually wrapped so perfect for giving them individually. Great to keep the children and adults both entertained. These flashing party favor rings are really fun gifts for school carnival, birthday parties, weddings, Christmas, Halloween and much more. The different colors in this pack alone are enough to mesmerize the stiffest party goer.