-- This is a WoodyKnows side-sleeping backpack, size S. It provides comfortable back support to support side sleeping, preventing the tongue, soft palate, and loose throat tissues from falling backward and blocking the airway. This can reduce snoring caused by throat problems. There are no noticeable scratches or stains. The air inlet has been disinfected with alcohol. Please refrain from purchasing if you are concerned about home storage. It will be folded and shipped. [Brand] WoodyKnows [Category] Anti-snoring goods [Condition] No noticeable scratches or stains [Size] S size (back width less than 40cm) For detailed product information, please check the following URL: https://www.amazon.co.jp/WoodyKnows-サイドスリーピングバックパック-解消のバッグパック-いびきの治療のリュックサック-無呼吸症候群改善（ミディアムサイズ、バスト/dp/B07CHLWPQC