--Key Product Features\n--\nSize-Specific Color Coding: The orange color identifies this as an ISO Size 1 brush (0.45 mm wire), allowing for quick and easy identification of the correct size for narrow gaps.\n--\nPlastic-Coated Wire: The central wire is coated in plastic. This\n is a critical safety feature that protects teeth and gums from \nmetal-on-metal scratching and makes the brush suitable for cleaning \naround sensitive areas, dental implants, crowns, and bridges.\n--\nFlexible Neck: For the smaller brush sizes (like this orange ISO 1), the neck is designed to be flexible. This allows you to bend the head of the brush to reach the difficult-to-access gaps between your back teeth more effectively.\n--\nErgonomic Handle: The\n handle features a flat thumb grip designed to provide a stable, \nnon-slip hold, enabling you to maintain better control while performing \nthe back-and-forth cleaning motion.\n--\nRounded Tip: The\n very tip of the brush head is rounded to prevent gum int