9" Straw and Wire Cleaning Brush. Eliminates The Use Of Disposable Plastic Utensils And Containers. Small Amounts Of Plant-Based Material Are Used To Create A Flecked Finish. No Indication Of Extractable Gluten In Testing. 4 1/4" Brush Cleaner Fits Inside Straw For Easy Storage. Straw Pieces Unscrew to Fit Inside Travel Case. Reusable. Protective Travel Case. Hand Wash Recommended. Carabiner Attachment.