Swiss E Form Pots and Designer Planters are designed and handmade in Switzerland, on the inside of each new pot, you will find a label with the signature of the craftsman, who made it. The Material Fiber cement is made from the natural materials cement, powdered lime stone, fibres, air, and water, and it has been completely free of asbestos for around 30 years. Plants love this natural, breathable material, which regulates moisture. Fibre cement is also solid coloured. Therefore, there is no danger of chipped colour surfaces or fading in a planter. In brief: fiber cement is exceptionally long lived and can be completely recycled. A 5-Year Guarantee, Production processes and materials make Swiss E Form planters completely resistant to frost and all eform pots comes with a 5 year guarantee against frost damage from the date of purchase.