Question: how long are pipe cleaners?
Answer: Smoking pipe cleaners are usually 15–17 cm (6–7 inches) long. Craft ones are often 30 cm (12 inches) and can be up to 50 cm (20 inches). The diameter comes in 4 mm; 6 mm; and 15 mm sizes Jumbo pipe cleaners have a 30 mm diameter with lengths of 18 inches and 6.5 feet.