50 Pieces Set:Package includes 50 pieces interdental brushes in 5 different color(Red;Orange;Green;Deep Blue and Light Blue) as pictures shows,10 pieces brushes for each color.Sufficient quantity can meet your daily life using and replacements. 3 Sized Brush Heads:These 50 pieces interdental brushes have 3 different sizes brushes heads.The orange brush,green brush and light blue brush have 2mm brush head,suitable for tooth spacing 0.7mm;the deep blue brush has 2.5mm brush head for 0.8-1.0mm toot spacing;the red brush has 3mm brush head for 1.0-1.2mm tooth spacing. Safe Material:Our dental hygiene brushes are made of high quality plastic,steel and nylon.The are non-toxic and odorless,safe and reliable for oral cleaning,will not hurt your teeth and gums. Convenient to Use:The brush head is soft and flexible,it can go deep into the teeth gap that normal teeth brush cannot reach,which helps to clean your teeth and mouth more thoroughly.The anti-slip handle is comfortable to hold,making it easy to use the brush. Multiple Uses:Ideal for cleaning between braces, crowns, bridges and implants. Also great for back teeth and crowded teeth.These interdental brush helps to maintain healthy and white teeth,prevents bad breath and have prevention of tooth decay,gum disease,tooth pattern and periodontal disease patterns.