One 12 count sheet of 4 inch Mustache 1st Year Belly Stickers. Your baby is going to be a year old before you know it! Mark each month of baby's first year with Mustache 1st Year Belly Stickers. Simply peel one of these colorful stickers away from the backing, and stick it to a plain onesie or t-shirt for an instant customized outfit. After you get lots of sweet photos, peel off the sticker and throw it away, or add it to your scrapbook!