Zip-Zag Brand manufacture the finest quality and most effective storage bags we've come across. They form a tight seal that prevents smells from escaping, no matter how pungent the material! Manufactured in Canada from high-quality plastic, these zip bags will ensure that the contents stay fresh and that the surrounding atmosphere stays free of unwanted odours. Zip-Zag Brand bags shouldn't be compared to cheaper alternatives available in the supermarket that are designed to be used once and then thrown away - Zip-Zags can be used again and again and won't perish or tear, making them a much better investment Leak-proof, resealable and re-useable low oxygen transfer rate Preserves flavours and aromas Protects contents from outside pathogens Prevents the oxidation of precious essential oils Heat sealable Manufactured in Canada