Fun Central Red LED Slotted Shades (4 Pack) SIZE: These Red LED Light Up Slotted Shades is great for children, teens and adults. It has one size that fits most. COOL FEATURES: Party sunglasses features 6 bright red LEDs in 3 different modes: fast flashing, slow flashing, and constant. PERFECT FOR PARTIES: These Red LED Light Up Slotted Shades are perfect for different kinds of parties and events such as rave parties, neon parties, birthday parties, Christmas parties, Halloween parties, Mardi Gras parties, concerts, weddings and many more! It can serve as your rewards, prizes, goodie bags, party favors, and giveaways. INCLUDES: Each pack contains four (4) pieces of LED Light Up Slotted Shades. Three (3) replaceable AG13 batteries are included and installed. MANUFACTURING: This LED Light Up Slotted Shades are made from high quality plastic that is safe, non-toxic and environmentally-friendly. Each fun party sunglass is strong, durable and has no chemical odor.