These weekly stickers are a perfect way to capture belly growth during pregnancy. Just peel the sticker and place on a shirt of your choice or directly on belly each month. Whip out the camera and snap away! Great gift for expectant moms. This "Chalkboard" design features a textured chalkboard background with chalk writing - old school style! Coordinating baby growth stickers available. There are stickers for 12, 16, 20, 24, 26, 28, 30, 32, 34, 36, 38, and 40 weeks of pregnancy. Coordinating baby growth stickers available.