Features:

• 100% Brand New and Good Quality

• Material: 88% copper nylon, 12% spandex

• Color: Black

• Size: S (7cm x 19.5cm x ~5.9cm)

• Size: M (7.5cm x 20.5cm x ~7.4cm)

• Size: L (8cm x 21.5 cm x ~8.7cm)

• Relieve pain from osteoporosis, tendonitis and other pains

• Comfortable to be used 24/7 during working or relaxing

• Please allow error measurement of 1~2cm