In this case your tablet is stored stylish and absolutely safe. The material is handmade paper made of cellulose and polyolefin, which is particularly tearproof, water-resistant and absolutely suitable for everyday use. Innovative meets classic here: For the SIWA series, the renowned product designer Naota Fukasawa cooperated with the traditional Washi paper manufacturer ONAO. SIWA translates as wrinkles, which give the case that certain something extra.