【New】 GOKUMIN Fitted Sheet Waterproof Sheet Double Black t-sh01 【Revolutionary sleep experience that enriches life and transforms sleep】Awarded the 2023 Amazon Best Award. We deliver "MASTER SLEEP," the top-of-the-line GOKUMIN product developed by a Japanese company with thorough quality control and a deep understanding of sleep, having won numerous awards. 【Waterproof yet breathable】 The surface fabric has excellent breathability to release moisture in a vapor state, providing a smooth feel. By applying a high-waterproof membrane that clears a water resistance of 6,000mm to the back, we achieve a strong waterproof function. It provides a non-stuffy sleeping environment while being highly breathable. New, unused, unopened Reference price: Amazon ¥10998 ⚠️Please check the manufacturer's website, Amazon, Rakuten, etc., for product details. ⚠️To ensure a pleasant transaction, please confirm the following main precautions. ⚠️Main Precautions ・Instant purchase is OK. ・We do not accept price negotiations. ・We will not respond to comments regarding price reductions. ・We will discount prices irregularly, so if you like a product, please "like" it first and then continue to consider it. ・The number of days until shipment is generally 2-3 days as stated. ・In reality, we ship most items within 1-2 days (with a 24-hour shipping badge), but shipping is done at our convenience. ・We will not respond to comments from those who rush shipping or ask when the item will be shipped. ・We may delete comments that we find offensive. ・Please be sure to check the other precautions in the profile section.