100 Personalised Iron-on Fabric Labels to Mark Your Clothes. Gentle with Your Kids Skin, for Children's School Uniform/Clothes/Clothing Labels for Kids, Baby and Children. ECOLOGICAL LABELS: ideal for children's skin. 70% polyester, 30% cotton, . Without lead Perfect for labeling jackets, t-shirts, hats, backpacks and more Iron on label: it takes only about to 15 seconds to mark your clothes. It will stay on even in the washing machine or dryer Labels withstand multiple washing machine and dryer cycles. GUARANTEED! Resistant up to 140F, washing machine and dryer. It will stay on even in the washing machine or dryer.