<p>We use super soft tulle.<br> It feels like silk socks.<br> Protect the baby tender skin.<br>The lining material is made of 100% cotton. The dress material is nylon, soft and smooth.. It's elastic and breathable.</p><p>Size: S: 0-6 Months, waistline unstretched: 36cm / 14.18 inch , Suitable for waist size 36 - 44 cm / 14.18 - 17.34 inch; The waist to the bottom: 18cm / 7.09 inch; Recommended age 0 to 6 months.<br>Size: M: 6-12 Months, waistline unstretched: 38cm / 14.97 inch , Suitable for waist size 38 - 48 cm / 14.97 - 18.91 inch; The waist to the bottom: 19cm / 7.49 inch; Recommended age 6 to12 months.<br>Size: L: 12-24 Months, waistline unstretched: 40cm / 15.76 inch , Suitable for waist size 40 - 56 cm / 15.76 - 22.06 inch; The waist to the bottom: 22cm / 8.67 inch; Recommended age 12 to 24 months.<br>Size: XL: 24-36 Months, waistline unstretched: 42cm / 16.54 inch , Suitable for waist size 42 - 58 cm / 16.54 - 22.83 inch; Recommended age 24 to 36 months.</p>