Set includes 150 black interdental brushes, each brush's size is 2.24 in / 5.7 cm L, brush head 's size is 0.4 in / 10 mm L x 0.1 in / 2.5 mm W, lid's size is 1.4 in / 3.4 cm L, meeting your daily dental cleaning needs The mini braces cleaner toothbrush is made of high-quality rubber, steel wire, and nylon bristles, soft and effectively protecting teeth and gums The interdental dental brush is and compact, featuring a transparent protective cap for easy storage and portability; suiting for home, while traveling, , or at work, etc 360flexible braces cleaner brushes is an essential oral care tool for wearers; effortlessly cleans areas inaccessible to regular toothbrushes-such as braces, crowns, bridges, implants, and hard-to-reach spots Dental brushes' bristles can reach deep between teeth, preventing common issues like bad breath, plaque, tartar buildup, yellowing teeth, toothaches, and cavities The set includes 150 interdental brushes with transparent caps for easy portability; featuring soft, 360 flexible heads can bend effortlessly, effectively clean deep between teeth while protecting gums; preventing common issues like bad breath, tooth discoloration, toothaches, and cavities Color: Black Material: plastic Package Contents: 150*pcs for teeth Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.