Brand from Japan: EBISU. Thoroughly brush even the back teeth when they are replaced by permanent teeth.Wide x thin head design reduces missed spots. The toothbrush has a wide head, so even children who are not used to brushing will have less missed spots. The thin head is 30% thinner than conventional products, making it easy to operate even in a small mouth and reaching narrow gaps and back teeth. The hardened bristles at the tip allow for thorough brushing of back teeth and bite surfaces that are prone to cavities. Hair hardness: Soft Hair material: Nylon Handle material: Polypropylene Heat resistance temperature: 80 degreesHow to use:Brush lightly to avoid damaging your gums.