2 sized interdental heads .The blue head diameter: 2.5 mm/ 0.12 in. The red head diameter: 3 mm/ 0.1 in.Size: 5 * 0.7cm/ 1.97 * 0.28 inch.More choice for you. | Ideal for cleaning between braces, crowns, bridges and implants. Also great for back teeth and crowded teeth. Perfect cleaning of interdental spaces. | Maintain healthy and white teeth, gently massages and stimulates gums,protects against tooth decay and gum disease,helpe to keep plaque away. | Prevent bad breath and have prevention of tooth pattern and periodontal disease patterns. Nylon coated wire keeps your gum safe. | Stop irritation to your gums,suitable and safe for all the family to use

1.MATERIAL:Double-sided silk fabric,very soft and smooth design of cotton,shading effect is good. | 2.FUNCTION:Relieve visual fatigue,improve amblyopia,strabismus correction. | 3.EXQUISITE EDGE:Delicate package edge,not off line so that the eye patch is more durable,more beautiful appearance. | 4.EASY TO USE:Exquisite workmanship,with elastic band,the use of a unique free adjustable buckle design,can be adjusted to their own head circumference size. | 5.ELASTIC BAND: Divided into two designs,so that the use of eye mask,the elastic belt will be formed in the middle of the concave eye patch,eyes more comfortable.