Baby & Kids' Crochet Collar ☆ The part that touches the neck uses 100% cotton yarn, so it's safe for babies. It feels gentle on the skin and is a perfect item for spring and summer outfits. It's a ribbon type, so you can adjust it to your child's growth. Suitable for ages 0 to around 3 years old. Materials: Neck and frill: 100% cotton Bobbly parts: 70% cotton, 25% acrylic, 5% nylon Neck circumference approx.: 27-30cm Please note that this is a handmade item, so there may be slight variations and imperfections. Thank you for your understanding.