Create your own blend of tea leaves for a unique experience with your next cup of tea using the Reusable Brew Bags. Just hand wash & reuse, this set of 4 bags is made of cotton cheesecloth, with a little draw-string to close and they measure at: 5x 3or 13cm x 7.5cm. Features: Measures 5x 3 or 13cm x 7.5cm. Made of Cotton Cheesecloth. Made in the USA. Hand wash and reuse.