Product Name: Saky Carbon Silk Energy Toothbrush; Efficacy: Deep cleaning; Bristles: PBT soft fine bristles; Suitable for: People with delicate and sensitive teeth and gums; Colors: Light purple, light green, light blue, light pink; Specifications: 2 pieces/box (shipped randomly); Features: Binchotan charcoal bristles, deep cleaning, dry and clean; Soft fine bristles, <0.01mm soft fine filaments; 2.5cm small brush head; Custom textured handle; Four colors available; Newly upgraded UP version.