These are made of , which are the for cleaning cups and baby bottle. They are very and have no harm to the surface of cups. They can be used for cleaning the bottom of cups due to the long handle, convenience and good to use. Features - - Material: Wood, stainless steel, nylon. - Size: 31.00X9.00X9.00cm/12.18X3.54X3.54 inch. - With long handle design, the bottle brush has easy decontamination and are effortless for cleaning. - The brush is practical and effective for the daily life of costumers. Cleaner and more comprehensive care help you clean easier. - The cleaning brush is easy to get into the crevices of caps and lids. It can also clean the long bottle with pollution. - The water cup brush can thoroughly clean the stubborn stains, help you clean the bottle easily. - Suitable for milk bottles, vases, vacuum cup, kettles, , coffee pot, all kinds of cups and tableware. Package list: 1 x cleaning brush