Brand new, unopened! Instant purchase, late-night purchase, and silent transaction OK! --- [Veterinarian-supervised] Dog Toothbrush Set of 4 (Large and Small) Dog Toothbrush "10,000 Ultra-Fine Bristles" for Medium to Large Dogs "5D Omni-directional Brush for Molars and Small Head for Front Teeth to Prevent Missed Spots" Toothbrush Head Shape: Diamond-shaped Number of Units: 4 Bristle Material: Nylon Target: Pets (Dogs) [Toothbrush Set for Medium to Large Dogs] Medium and large dogs have small front teeth, and their molars are more than 5 times larger than their front teeth! It is important to choose the right brush according to the size of the teeth. Therefore, we have prepared a front teeth and molar toothbrush set for medium to large dogs. [10,000 Ultra-Fine Bristles] Uses 10,000 ultra-fine bristles of 0.08mm! The softness does not hurt the gums and approaches the periodontal pockets. [5D Omni-directional Brush for Molars & Small Head for Front Teeth] A new design that wraps around the molars with 5 corners and a small head that is less likely to be disliked even for sensitive front teeth, eliminating missed spots! [Precautions] Please be careful as biting the toothbrush may cause problems such as bristles falling out.