100% organic combed interlock cotton, a bit heavier than Rib 1x1. Set includes 2 extra soft bodysuits. Fits newborn to 6 months. B nature exclusive flat lock seams throughout. Great gift for boys and girls. Wonderful start to a new baby's wardrobe. Dimensions: 13"Lx4"Wx3"H. Color: Chestnut-Wheat. B nature's organic cotton Gift Sets are soft, stylish and comfy. The best for the babies in your life.