100% cotton. [Product Features] This HOT WRAP short-sleeved shirt features a striped and heart pattern design, combining cuteness and playfulness. [Material] Made of 100% cotton, it feels good against the skin and provides a comfortable fit. It's a gentle material for babies and children. [Size and Quantity] The size is 100cm, and it comes in a set of 2, offering excellent cost performance. - Brand: HOT WRAP - Product Name: Short-sleeved shirt - Quantity: Set of 2 - Size: 100cm - Material: 100% cotton - Design: Striped and heart pattern Thank you for viewing.