Baby booties made of high quality organic cotton upper, cotton lining. Perfect for indoor use .Let's face it, baby socks are kind of the worst. They are always be kicked off, get lost, and make a better dog toy than footwear. Our booties stay on good, keeping your little one's feet cozy and giving you peace of mind.Velcro and loop design with elastic sock mouth and makes our infant booties easy to put on, take off and adjustable.Perfect for Winter! No socks needed! They keep your little one's feet warm and cozy without making baby feel overheated when playing around the house.These baby boys girls booties designed with cute color style make your little one more cute. It's a perfect gift for baby. Suitfor playing, crawling, sleeping, walking, baby shower/first Birthday/Halloween/Christmas gift.S is suitable for children aged 0-6 months. The inner length is about 11cm.M is suitable for children aged 6-12 months. The inner length is about 12cm.L is suitable for children aged 12-18 months. The inner length is about 13cm.