The smallest of the Purize filter line, the Xtra Slim Size activated charcoal filter, comes in a resealable and handy storage bag. It's also ideal for on-the-go, as the filters can be kept airtight and waterproof. The Xtra Slim Size activated charcoal filters from Purize significantly reduce the amounts of pollutants absorbed and provide you with a fresh, dry, and aromatic smoking experience. The filters are suitable for all rolling methods! Both caps being ceramic, there's no direction for insertion or rolling to observe. All PURIZE® filters are made from eco-friendly raw materials and are "Made in Germany". Color: Green Purize Xtra Slim Size activated charcoal filter dimensions: ø 5.9 mm x 26.9 mm