Multi-function: Not just cool air. It's lightweight at 8 grams, so it won't be a burden. For those who wear glasses, it also prevents fogging. "⚠️If there are any defects, please consult us before leaving a review. Cancellations are not accepted after a review has been left." *This product has been opened for product inspection, but the product is unused.* *It will be sent in simple packaging.* ‼️⚠️Also listed on other sites. Please understand that it may be removed suddenly.⚠️‼️ [YAYAMIYA] Mask Fan, Mask for Improving Heat, 3D Three-Dimensional, Prevents Slipping, Mask for Summer, Eliminates Stuffiness, Heatstroke Prevention, Inner Support Bracket, Increases Breathing Space, Nose Bridge Cushion, Set of 2, with Japanese Instruction Manual 23-35 999 #◎tiahiros2SHOP List is here