GUM Proxabrush Go-Betweens Refills - Wide - Compatible with GUM Permanent Handle - Reusable Interdental Brushes - Soft Bristled Dental Picks, 16ct (6pk)Brand: GUM Features: GUM PROXABRUSH REFILLS : Our dental brush refills are compatible with the GUM permanent handle and the GUM dual ended handle. Each floss brush is treated with a hygienic solution for up to 10 days of use for an effective alternative to flossing. DEEP CLEANING : GUM Proxabrush Go Betweens feature soft bristles that slide between the teeth to remove plaque and food particles that can't be reached with tooth brushing alone. WIDE :