Thank you for viewing from among many! Double gauze is used on the skin-facing side. Inside, there are two layers of double gauze. It's breathable, so it's less likely to get stuffy ☆ It can be washed and reused, making it economical ☆ Size: Length: 17cm Width: 7.5cm (when in use) *Waterproof sheets are not used. Please use it for spotting or at the end of your period. *The pattern may vary.