Baby Rotary nylon brush/ Nipple Brush Instructions and precautions: 1, When inserting or pulling out the bottle brush, please gently rotating the brush; 2,After use, please clean and dry water; 3,Please do not put beside the fire or high temperature places; 4, Avoid long time sunshine point blank, lest fade aging products; 5 ,This product is a special bottle nipple and the bottle, please do not used for other purposes. We delivery goods by ePacket,ePacket is a special line to USA,Normally it will take 7-10 working days. We reply Email and Processing orders time is usually in The Washington Time PM21 :00 --- AM10: 00.