This is a multipurpose bottle brush for cleaning baby bottles, wine glasses and reusable drinking bottles. 100% Plant-based and vegan. The bristles are made of coconut fibre and the handle is a sustainably sourced timber from recycled rubber trees. Made ethically in Sri Lanka. Effectively removes leftover residues  Contains no plastic or toxic chemicals Designed to get into hard to reach places  Naturally antibacterial  Biodegradable  Sustainable Other Information Our products are made with FSC (Forest Stewardship Council) certified recycled Rubber trees grown in a plantation and at the end of their life replanted and the wood used for our brush handles.  The bristles are made from sustainably farmed coconut husks which is the outside of dried coconuts. Note: Test all surfaces for scratching, although our products are marketed as non scratch, some soft or low quality plastics have been known to scratch easily.