Trend positive words stinky stickers variety pack, 300 stickers/pack stinky stickers feature positive words and a scratch-and-sniff surface that delivers a burst of fragrance. Great as rewards, incentives, and collectibles. Stickers are acid-free, nontoxic, and safe for use on photos. Stickers are ideal for teaching students in kindergarten to third grade (ages 5 to 8). larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.