ARCH SUPPORT FOR KIDS: Ailaka kids insoles are great for all arch types. The unique 30mm arch support design can effectively relieve foot pressure and correct low arches and flat feet, ideal for children's growing feet COMFORT KIDS INSERTS: Ailaka kids foot inserts are made of soft PU material can be shock absorbing, the gel pad under the heel and forefoot relieves heel pressure and prevent metatarsal pain, the breathable velvet fabric keeps the feet dry all day long STRUCTURED HEEL CUP: The kids arch support shoe insert are designed with a deep U shape heel cup. It helps stabilize and support the foot. The children insole make your kids comfortable wearing and protect their feet for a long time TRIM FIT YOUR BEST: The youth plantar fasciitis inserts all come with custom guided cutting lines to help create the perfect fit for a vide variety of kid's shoe sizes. You can refer to size chart to buy children shoes insoles and then trim the right size CUSTOMER ARE OUR PRIORITY: We strive to respond to all customer messages within 12 hours and are dedicated to helping resolve any product issues promptly to ensure a smooth and satisfactory experienceSizes vary from brand to brand. Please use the size chart in the picture as a reference.