3 IN 1 MULTIFUNCTION BRUSH - It is a bottle brush with 3 functions. As a slotted brush, it can penetrate deep into the fine groove for cleaning. As a corner brush, it can clean some corners that big brushes can't reach for groove cleaning. As a puck move, it can pull off a solid puck easily. DURABLE MATERIAL - Our durable brushes are made of high quality polypropylene plastic, which is strong and durable. This bottle brush is suitable for all kinds of cups, cup lids, kettles, pot lids, glasses, plates, lollipops, sports cups. 6.85" / 17" DRINKING STRAWS BRUSH .4cm - With long, soft and durable bristles, this straw brush can be used to clean any size pipe you own without scratching the inside of the straw. It won't leave a lot of lint in your pipes like a chenille pipe cleaner. DURABILITY AND MULTIFUNCTION - Our durable straw brush is very flexible but won't break easily. This brush can also be used for mulching, cleaning pipes, narrow tubes, coffee makers, sinks, etc.