The YM04 mats have a good grip on the floor, so you don't have to worry about the mat slipping or sliding during your movements. The mats are made from high-quality materials. They are lightweight and flexible, making them easy to roll up and carry. The mats are versatile and suitable for various types of physical activities. You can use them for yoga, aerobics, fitness, or any other exercise that requires a mat. The mats are also excellent for relaxing on the beach, as they insulate you from sand and stones and protect you from sun exposure. The YM04 is a product that makes your workouts and relaxation even more enjoyable and effective.