【Specially Designed】:This head is specially designed compatible with all Gleem toothbrushes electric toothbrush.Unique design,more dense bristles,stronger vibration and more thorough cleaning. 【Sanitary Packed】: Each toothbrush head equipped with dust cover then sealed into plastic bag and together packed in paper box. Three layers of protection avoid dust pollution during packing and transportation. 【Curved Shape Bristle】: Shape of bristle is designed in "W" shape thus the head can fit to teeth well. A great shape for efficiently brush and removing more plaque and stains. 【High cost performance】: A box of 10 pieces can meet your need to change your toothbrush, and the price is more appropriate.Replace brush head every 3 months. 【High cost performance】: A box of 10 pieces can meet your need to change your toothbrush, and the price is more appropriate.Replace brush head every 3 months.