Foam insert for lid of Maxi-Systainer. Protect your items with this foam insert. Systainers - Organization made easy. Systainers are an excellent solution for organization, storage, and the transport of different items. Designed to seamlessly connect to one another, Systainers make it possible to be highly mobile, yet organized. Store your tools, accessories, consumables or any other item to protect them. Made in Germany. Cut to fit Maxi-Systainer. Protects items in Systainers.