Zip-Zag bags are manufactured in Canada using a special patented dual lock zipper system and are reusable, resealable and 100% reliable. Zip-Zag manufacture the world’s only smell proof resealable bag with an odor transfer rate 400 times lower than a typical zip lock bag. Zip-Zag bags are fully transparent so the contents can be seen without the need to open the bag. Zip-Zag guarantees the contents will stay fresh and keep the aromas locked safely inside. XLARGE - 43 cm W x 43 cm H. Bag can hold up to 1 kg. Retail pack of 10. LARGE - 28 cm W x 30 cm H. Bag can hold up to 250 g. Retail pack of 10/50/150 SMALL -16 cm W x 19 cm H. Bag can hold up to 28 g. Retail pack of 25.