This is a replacement lid for ION8 leak-proof water bottles. It features the same one-touch, one-handed operation as the original, providing a smooth flow and a leak-proof design with a safety lock. The replacement lids are complete units and come with new fitted closure seals. Specifically designed for ION8 small leak-proof bottles, this lid offers the same one-touch open, fast flow, and leak-proof functionality with a safety lock. It includes a complete lid with spout, vent, and closure seals. This lid is compatible with ION8 Recyclon and Steel bottles and fits 320ml–600ml sizes. Extend the life of your bottle with a simple lid swap. This Rose Quartz lid is designed for small/medium sized bottles.