MULTIPIE SIZES: 5 different inch lengths of 10 inches / 25.5 cm, with different diameters (21 mm / 0.82 inches, 17 mm / 0.67, 13 mm / 0.51 inches, 7 mm / 0.28 inches, 5 mm / 0.2 inches) A variety of sizes to make your cleaning worry-free SAFETY AND HEALTHY: The straw cleaner brush handle is made of food grade 304 stainless steel, the bristles are made of durable and soft nylon, and the tip is designed with silicone to prevent scratches, which is safe and secure to use HANGING DESIGN: The handle adopts hanging design, which can be placed on hooks and kitchen hangers for convenient placement after use, and the hanging design is easy to clean and dry the brush EFFICIENT CLEANING: Sturdy and soft bristles with a double helix design clean deeper on the inside of the item to prevent uneven cleaning USE VERSATILE: In addition to reusable straws (plastic, metal, silicone, bamboo, glass), there are many different uses. Other uses include cleaning food processors and various kitchen appliance parts, funnel necks, test tubes, small piumbing pipes , spout and other hard-to-reach corners, perculator, cpap tubes, glass pipes CONVENIENT TO CARRY: Are you still struggling to clean sippy cups, pacifiers and straws when you are out and about? This cleaning brush is easy to carry, 12.60 inches length can be put in the bag and travel bag, so you can go out and worry-free.