The LoofCo Water Bottle Brush is hand-made in Sri Lanka from coconut coir fibre twisted around a galvanised rust- proof metal core with a rubberwood handle from rubber trees that have finished yielding latex in Sri Lankan rubber plantations. Specially designed for easy cleaning of reusable water and drinks bottles. It will fit into the neck of a standard refillable water bottle and reach down to the base of the bottle for thorough cleaning. With an added cotton hanging loop. Dimensions: Long brush-34cm total. 15cm long brush head. Diameter of brush 3cm with half turn at top giving diameter of 3.4cm allowing access into drinking bottles. 11cm Rubberwood handle with LoofCo Logo and unbleached cotton string loop. 8cm exposed twisted galvanised metal. To Use: Rinse thoroughly before first use. Immerse in warm water and use with washing-up liquid or LoofCo Washing-Up Soap.To keep brush fresh between uses, rinse and squeeze out excess water, shake out any food particles & hang to dry from string loop. Occasionally soak in hot water with washing-up liquid and air dry to freshen brush. Long lasting in normal use and when worn out the fibres are biodegradable and core & handle can be recycled.