New, unopened. Ketsuryu Kaizen (Blood Circulation Improvement) Clothing Patches - Koshi Hotton (for the lower back) 8 patches per pack, 2 packs total, 16 patches. Warmth, Cold Relief ● Medical device thermal sheet ● Relieves painful stiff shoulders with heat of approximately 52°C ● Wide size of 26cm to relieve stiffness in both shoulders with one sheet ● Temperature suitable for improving stiffness lasts for 8 hours Expiration date: 2026.4 Although it is a new, unopened item, please understand that it has been stored at home. When shipping, we will only open the outer bag due to thickness, so please be aware of this. Kobayashi Pharmaceutical Co., Ltd. Ketsuryu Kaizen Kata Hotton (Shoulder Hotton) 8 patches Brand: Kobayashi Pharmaceutical