A Onesie for Each Month! JumpOff Jo’s Seize the Moment Onesies are numbered 1-12 to mark each month of your baby’s first year. This gift set includes our four standard sizes: 0-3 months, 3-6 months, 6-9 months, and 9-12 months, with three onesies included per size. Made of 100% cotton, it includes nickel-free snaps with reinforced panels, and expandable necklines. Snap a photo every month your baby ages! You’ll have a lifelong memories and beautiful scrapbook composed of images from their first year of life at different stages. It also makes for a perfect baby shower gift for a new expecting mom. The joy they will have at having such beautiful memories to look back upon, is something they will treasure and appreciate forever. JumpOff Jo is a baby and family lifestyle brand made up of moms, aunties, dads, uncles, brothers and sisters. We know what’s important to us and our families and are dedicated to designing products that help you and yours enjoy time spent with loved ones of all ages.