2-pack | in-between leg snaps | wide neck opening | 100% cotton more like a half-smirk than a permagrin, the nununu take on the smiley face represents a broader range of emotions for little human beings! the 2-pack smiles overall are must-have for your baby. details like a double neckline make it easier to slip these onto a wriggly baby, while buttons at crotch make diaper changes a breeze.