What's included: the package contains 2 pieces of wrist support with thumb support, which are excellent for wearing on both left and right hands, and are enough to meet your daily needs. Medium size: the wrist support with thumb support is elastic and measures approximately 15-17 cm/5.9-6.69 inches, one size fits most, lightweight and portable, easy to store and convenient to carry. Machine wash. Fastening: No. Comfortable and breathable: the multi-zone compression sleeve is slim and snug, elastic and easy to loosen, breathable and sweat-permeable, firm and flexible; it has good air permeability and water absorption, as well as strong elasticity. Thoughtful design: the elastic wrist support provides pressure on the thumb, just a feeling of comfort, helps warm the muscles and support the wrist during sports and professional activities. Multifunctional wrist support: the wrist supports can help feel comfortable and provide wrist support in daily activities and sports, such as tennis, golf, basketball, volleyball, yoga and so on.