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 all-over smiles are as if they were quick-sprayed on the cloud-like softer than soft natural overall. details like a double neckline make it easier to slip these onto a wriggly baby, while buttons at crotch make diaper changes a breeze.