Available in 4 sizes to accommodate various worm sizes. Convenient "2-compartment structure" for sorting. "Mesh pocket" with a zipper. M size: Can store approximately 12 DAIWA worm bags up to 16.5cm wide (up to 5-inch size). *Storage capacity varies depending on the type of worm. External dimensions (cm) Approx. 8 x 20 x 17 Brand new, unused. Thank you.