KaWaii Baby One Size Button Cloth Diapers Covers Set Of 5 Unisex. 3 Light Blue Yellow & Blue. Three rows of snaps for simple rise adjustment: 8–16 lb– snap the first-row buttons into the fourth-row buttons 16–22 lb– snap the first-row buttons into the third-row buttons 22–36 lb – snap the first-row buttons into the second-row buttons