These colorful rainbow gel stickers are made to encourage and delight! Acid free, nontoxic, and safe for use on photos, they're perfect for tracking progress on incentive pads and charts, and for spotlighting success.Details: Includes assorted colors7/16" (1 cm) diameter stickers8 sheets (800 stickers total)Acid-freeNontoxicPhoto-safeFor ages 3 and up