【Long Handle】The 13 inch long handle design can extend down to all corners of the bottle to remove residue. Time-saving and labor-saving, clean without dead ends, easy to reach the deep clean inside the bottle, and go deep into the bottom of the bottle. 【Primume Materials】All the Water Bottle Cleaner are made from silicone material, food grade silicone bottle brush , free of pollution, absolute environmental protection .The bristles of the rugged bottle brushes always keep their shape, and will not break off or fall apart. It can even be used for hot cleaning (up to 450°F), and also Dishwasher & Microwave Safe . 【Strong Cleaning Ability】Our silicone water bottle brush can remove unpleasant odors, grease and stains, prevent the accumulation of annoying sticky matter, and make your family more hygienic and healthier. 【Anti-Slip】Good grip, the ergonomic anti-slip handle provides a comfortable grip, making cleaning quick and easy. 【Durable】The sturdy and durable bottle bristles always maintain their shape and will not break or fall apart. Our stylish kitchen gadgets can be used for a long time.