1.[] Our bottle brush set is made of stiff nylon bristles and - stainless steel, easy to clean and 't rust.. 2.[INNOVATIVE DESIGN]bottle brush set includ12in water bottle cleaning brush+360-degree clean lid brush+ brushes in different sizes., which can meet the of many different sizes of mug brushes 3.[HUMANIZED DESIGN] Non-slip handle, easy to grip, helps you easily clean the crevices and hard-to-reach corners of your cup. 4.[EASY STORAGE]Comes with a removable round keychain ring to keep them together for easy hanging and storage to avoid loss. Keep your kitchen sink countertop clutter free and also keep your brushes hygienic. 5.[WIDE APPLICATION]Suitable for travel mugs, blenders, many kinds of pipe cleaning, such as milk bottles, wine bottles, baby bottle cleaners, straws, narrow and wide neck pipes, jars, teapots, coffee makers and coffee pots, vases, sink drains, computer keyboards, crevice gaps and more. Color: As Shown Material: plastic Package Contents: 1 x Bottle Cleaning Brush Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.