Material: 100% cotton, soft, breathable and comfortable to wear. Machine washable.Size: for most babies aged 0 to 1 age you can adjust the hat with the knot, adjustable as baby grows. Size: H x W (flat): 30 x 16 cm / 11.8 x 6.3 inches (approx.). StretchySimple and classic design: it contains 3 sets of baby hats, a variety of colours to match clothes, which is very suitable for everyday useBest Gift: Unisex baby hat. Perfect for your baby's sensitive, sensitive skin. The newborn hat can be worn all year round, this is a perfect baby shower giftCare instructions: machine wash cold, delicate with phosphate-free detergent, do not tumble dry, iron at low temperature