This kid's thumb protector does not contain fluorescent agent, special fabric, not only breathable, soft and elastic, the fingertips are covered with fluff to reduce friction. Protect your baby's delicate teeth. It is most important that you insist on breaking this bad habit of your child. Some babies may cry or wear gloves during the first few days of wearing. Please keep wearing them. After the first three days, your baby will get used to and willing to wear it. 1-2 weeks to reduce finger sucking, 2-3 months to quit the bad habit of sucking the thumb and other fingers briskly. This kid's thumb protector can be worn on both sides. At the beginning, the anti-eating gloves only had the function of stopping sucking for the child, that is, they would not eat when they were wearing them, and they would continue to eat if they were not wearing them. It is recommended to wear it for 24 hours, and wear it for 2 weeks to 3 months until quitting. When the baby stops sucking the thumb, do not let the baby eat the hand again to avoid rebound. Can't exit repeatedly. Please refer to the wearing method in the product , put the product on your baby's hand, and loosen or tighten the cord according to your little hand. After adjusting, please fold the strap in half, so as to prevent loosening and prevent children from pulling. Please refer to the size chart in the product before purchasing and make sure to choose the correct size. It is recommended to hand wash in warm water with laundry soap before use and to purchase 2 sets of Kids Thumb Sucking Stop Gloves for easy alternate use.