This is an 8-piece set utilizing the properties of natural mineral tourmaline: ① Tourmaline sheet ② Pillowcase (1) ③ Back pain belt ④ Tourmaline elbow support ⑤ Tourmaline wrist support We apologize, but we cannot sell these items separately. These were purchased several years ago around the same time, and all are unused, but some packaging may be damaged. ① Tourmaline sheet Size: Approximately 210cm x 100cm ② Pillowcase Size: Approximately 50cm x 45cm ③ Back pain belt Size: Free size (maximum 105cm) ④ Elbow support Small size: (Approximately 9.5cm x 21.5cm) ⑤ Wrist support Large size: (Approximately 7.5cm x 9.5cm) Tourmaline generates static electricity and emits negative ions when rubbed or heated. It is said to have a positive effect on water, air, and the environment, so please consider using it in your home. Due to shipping costs, the sheet and pillowcase may be shipped without their original packaging.