Ключевые слова: background, black hole, blue, carpet, circle, circles, comfortable, concentric, equipment, exercise, fitness, fitness mat, foam, foamed, geometrical, gym, gymnastics, hole, layers, lightweight, navy blue, pilates, quilled, relaxation, ring, roll, rolled up, round, shape, soft, spiral, textile, texture, training, tube, underlay, wellbeing, wellness, workout, yoga mat,