Your 5 Guarantees 1. The 100% Satisfaction Guarantee: GIS offers you the simplest but nevertheless the most comprehensive guarantee: "Every single product will satisfy you by 100%. If it does not - no matter why - you will get refunded the whole price you paid". Only the natural and normal wear is excluded from this guarantee..  2. The Guarantee of Quality : Every GIS product has been manufactured by highly skilled production companies following modern quality standards. Most of our suppliers are certified by the DIN/ISO 9000 standards. The manufacturers as well as GIS take care for continuous periodical inspections. 3. The Guarantee of Price: With the issue of every new pricelist we assure that the prices will not be raised for at least 3 months. Changes in exchange rates and material prices are our risk - not yours.  4. The Shipment Guarantee: For all standard articles - here marked by þ GIS assures the shipment within one week (except holidays or similar). 5. The One Year Supply Guarantee: For all standard articles - here marked by þ GIS assures the supply for at least one year after the issue of the catalogue it is offered in.