Specification of Wooden Body Massage Set Derma Roller for Face Neck Arm Hand: Box contents: 1 x massage roller 15 x 6 cm, 1 x Gua Sha massager 16 x 8 cm. Maderotherapy reduces tension on the whole body. It improves blood circulation to activate increased collagen production in the skin. It is a relaxing facial massage with excellent anti-aging results. Made from 100% natural wood. The exceptional quality and strength of the wood allow for long-term use. Made in Europe.