KOBA Functional Mat The KOBA training mat, designed to allow anyone to efficiently perform core training. It can be used by a wide range of people, from sports enthusiasts to the elderly. Regular retail price: ¥16,762 (tax included) ■ Size: Approximately 66 x 50 x 6 cm ■ Materials: Surface: PU / Lining: 100% polyester / Filling: Urethane foam ■ Weight: Total weight 2.0 kg (filling 1.6 kg / side fabric 0.4 kg) ■ Accessories: Original bag I purchased this used a few months ago. The threads on the mesh material in the part shown in photo 8 were frayed when I bought it, but the mat is usable without any problems. There are no stains or scratches on the four corners.