LESS THAN PERFECT: I am less than perfect because not all of my glasses light up. I still make a great Valentine's Day party favor or accessory to wear out to your Valentine's Day festivities, all at a great price!Looking for some Valentine’s Day party supplies? These heart shape light-up glasses are perfect party favors! Let the celebration go into the night after you flip a switch and light up the night! Plastic. (3 pcs. per unit) 6" x 2" with 5 1/4" ear pieces.