Kobayashi Pharmaceutical's Itoyoji (floss picks) 4-thread, 60 picks per pack, set of 4. Also selling Kobayashi Pharmaceutical's soft interdental brushes, extra-fine type, 20 brushes per pack, set of 3. Brand new, unopened. Will be protected from water damage and shipped via anonymous delivery, either Mercari or Yu-packet Post. 【Brand Reliability】 Kobayashi Pharmaceutical is a trusted brand that has provided high-quality oral care products for many years. 【Ease of Use】 The Itoyoji, designed to slide in smoothly, easily fits into narrow gaps for easy interdental cleaning. Thin, thread-like toothpick that firmly pierces food. - Features: Thin, thread-like, and firmly pierces food. - Brand: Kobayashi Pharmaceutical