Heart-Shaped Jewels. You’ll find oodles of uses for these plastic hearts! Glue them to scrapbook pages or inside Valentine’s Day greeting cards! You can also toss a handful of these sparkling hearts in a gift box for an extra-special surprise. These pretty gems come in many sizes and colors to match any craft project! (Approx. 150 pcs. per unit) 3/8" - 5/8".