Material: stainless steel Colour: Silver Surface treatment: polishing Product size: about 152*45*4mm/5.98*1.77*0.16in Product net weight: about 180g Function: physiotherapy guasha to relieve muscle fascia pain and quickly restore body condition. List: 1* Massager Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.