Treat student achievements with the rewards they deserve with these colorful mini stickers. Made for teachers who love the little details, the stickers are ideal for grading papers, tracking charts and adding a fun incentive to homework. The acid- and lignin-free stickers come in the following designs: sports, books, stars, hearts, zoo animals and sea animals. Pack includes 2,640 stickers in 30 sheets; each sticker measures approximately 7/16" in diameter.