This First Essentials 3-pack of sleeveless bodysuits works as onesies or undershirts for babies. The bodysuits are made of 100 percent cotton with easy-change snap closures at the leg for quick diaper changes. They are machine washable and made in India. The sleeveless style makes them comfortable for layering under other clothes or wearing on warm days. Stock up on these everyday essentials with a convenient three-piece set.