Set of 12 Flashing LED Multi Color 'Batman' Bat Light Up Show Party Favor Toy GlassesFun Party Favors, Goodie Bag or Stocking StuffersApprox. Dimensions: 5.5 x 2 x 1.5"Colors May VaryPerfect Addition To All Parties & Occasions. Turn Every Party and Gathering Into an Unforgettable Event. Your Imagination is Your Only Limitation: Use at Halloween, Concerts, Parties, Slumber Parties, New Years Eve Celebrations, Christmas & Holiday Parties, 4th of July, Get-Togethers, Masquerades, Costume Parties, Mother's Day, Father's Day, Birthdays, Baby Showers, Pool Parties, Memorial Day, Veteran's Day, Labor Day, Beach Party, For Role Playing, Use as Goodie Bag Stuffers or Party FavorsThis Package of 12 Flashing Glasses Comes in 5 Assorted Colors: White, Green, Blue, Pink, & Purple Suiting Everyone's Needs, Styles, Moods, & Preferences. Perfect Assortment of Colors for Males & Females, Both Young, Teen, & Old. The packages may also come with a black color pair. Assortments may vary.Each Pair of Glasses Has an On & Off Switch & A Plastic Insert Which Can be Removed & Reinserted for Hours of Fun & Enjoyment. There is also an on / off switch which can be used to turn off the flashing without needing to reinsert the paper insertThe Frame of the Glasses are Made of Durable Plastic & Batteries are Built in with No Need to Waste Assembly Time (Uses High Quality 3 AG3 Batteries to run (Included) for hours of nonstop fun).These glasses would turn any event into unforgettable days & nights. These are the perfect addition to any children's or adult parties and offer a fun, yet safe & hygienic way to enjoy any gathering and celebration. The glasses come with built in batteries with a strong paper enclosure to keep the batteries from running out of "charge" during non-use. Simply remove and reinsert, turn on the easy to press switch in the middle & enjoy your party. The frame of the glasses are made of durable plastic and can be worn for fun even after the batteries for the LED light up feature have taken their last breath. The earpieces are made of flexible plastic to adjust to the frame of the face of the wearer. This 12 pack collection comes in assorted colors, presenting a large enough variety for all your guests to choose from! You simply can't go wrong! Each pair is covered with their individual packaging making it the most safe to wear & hygienic party favor glasses you can find! Each pair is 5.5 inches x 2" inches wide which is perfect for large and small framed faces. This is the perfect fun party favor, goodie bag or stocking stuffer. The range of use at the parties is limitless and is perfect for Halloween, Birthdays, Costume Parties, New Years Eve, Christmas, Easter, 4th of July (Independence Day), Easter, Baby Showers, Veterans Day, Memorial Day, Bachelor Parties, Bachelorette Parties, Baby Showers, Hannukah, Eid, or Fun Get Togethers! The shutters & slots do not block off the vision and do not cause discomfort as tested and reported by users.