Brand new, unopened. Leda Petit Silma DX5.5, 6 pieces. Effective for stiff neck and shoulders. Uses rare metal germanium with a purity of 99.999%. Reusable. [Brand] Leda [Product Name] Petit Silma DX5.5 [Quantity] 6 pieces [Included] Dedicated replacement seals (30) included [Material] Germanium 99.999% [Other] General medical device, household patch-type contact granules, diameter 5.5mm / 6 pieces General medical device Petit Silma DX 5.5