The purest raw materials, traditional manufacturing expertise and the latest production technology combine to give a glass product in the unpretentious design of the well-known Sigg Traveler. The stella bottle is made of molten glass which consists of sand, soda and other hand-picked components. The decorative neoprene cover impresses with its insulating properties and pleasant feel. It also protects the glass against damage. The practical, leak-proof one-twist closure makes Stella the perfect urban companion.