This quintet is ideal for cleaning bottles, straws and caps inside and out. 17" extra long cleaning brush with 2.5" extra wide bristles diameter can easy reach the bottom and clean all inside area, perfect for long narrow neck wine/ beer bottles, S'well, Kombucha, Hydroflask and hummingbird feeder. 16" water bottle brush, with enough bristles on the top, is great for washing all standard and wide-neck decanter, thermos, Yeti/ Rtic tumbler, Mason Jars, glass mugs, baby bottles, sport bottles and Starbucks venti cups 10" tube brush works well for spout of teapot, kettle and test tube. 15.3" extra long straw brush can clean long to 13" reusable straws from the top to the end all thorough. The detail brush, easy to get into the crevices of caps and lids. Made of food grade bristles and stainless steel, BPA free and non-toxic, keep safe and healthy. Good grips let you feel comfortable to hold and use, make the cleaning job quick and easy. The hook provided to hang it for drying and storage.