Clean your Session Bong with ease, with Session Goods cleaning caps, made specifically for your Sessions water pipe. These cleaning caps offer a tight seal for easy cleaning with a good shake and some cleaner. These two high-quality silicone caps nest neatly together for compact storage. Cleaning Caps Features: Two High-Grade Silicone Stoppers Custom Fit for the Session Bong Mouth and Downstem Openings Designed to Fit the Session Water Pipe Dimensions: Large Opening: 36mm x 36mm Small Opening: 22.5mm x 22.5mm What's in the Box: