ネコのきもち ホットアイマスク 5枚セット

The product you're referring to is the "Kimochi ネコのきもち ホットアイマスク" (Kimochi Cat's Feel Hot Eye Mask) in a 5-piece set. This type of eye mask is designed to provide warmth and relaxation, which can be helpful for relieving eye strain, soothing tired eyes, and enhancing overall relaxation.
These heat masks often use materials that generate a gentle warmth when opened, creating a spa-like experience at home. They can be particularly useful for people who spend long hours in front of screens or who want to unwind after a stressful day.
If you have any specific questions or need more information about the product, feel free to ask!