Daitou Shingu Kogyo Co.,Ltd. has more than 90 years of history in the Japanese bedding industry. tetra is a line of comfortable and attractive sofa type chairs that suit modern lifestyles. Shaped like a bean bag, the seatback molds to your body and provides support when you sit down. Enjoy hours of pain free sitting in a comfortable position. Covered with a simple yet durable fabric in subtle colors, tetra is a perfect fit for any type of interior.