This little girls white tee can go with any outfit and can be attached to Max and Tilly pants using the special button-holes on the inside of the t-shirt. With a sweet little print on the middle, this long sleeve top will look great with denim and is a great idea for a gift. 100% cotton. For sizing guidelines, please refer to the following: Size 0000 Age: Newborn Weight 4kg/9lbs Height 56cm/22", Size 000 Age 0-3 months Weight 6kg/13 lbs Height 62cm/24.5", Size 00 Age 3-6 months Weight 8kg/17lbs Height 68cm/27", Size 0 Age 6-12 months Weight 10kg/22lbs Height 76cm/30", Size 1 Age 12-18 months Weight 12kg/27 lbs Height 84cm/33".