9" Wheat Straw and Wire Cleaning Brush. Composed of Reclaimed Stalks From Wheat. Less Plastic Used In The Material. Harvested Wheat Is Renewable And Sustainable. No Indication Of Extractable Gluten In Testing. 4 ¼" 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.