Metallic Heart-shaped Glasses (12 Pack) 5 1/2". Plastic. Metallic Heart-Shaped Glasses. Look at the world through heart-shaped glasses! These Metallic Heart-Shaped Glasses are great for dress-up play, party favors, costume accessories and gifts for girls. Share them with someone you love! 12 Pack. Plastic. 5 1/2" with 5 1/4" ear pieces.