The luxury of black pig leather in the land of color. Deepen the taste, for adults Saitama Prefecture's proud brand pig "Sai no Kuni Black Pig". A special coogee was born using that rare leather luxuriously. It has a fine and moist texture, and a beautiful luster and depth that increases as you use it. The high-quality texture unique to the black pig leather of Aya no Kuni sublimates your usual drink time into an exceptional moment. 【Particular points】 Rare Aya no Kuni Black Pig Leather: Raised under strict standards, the leather of the Sai no Kuni Black Pig is supple, durable, and has a unique texture. Due to its rarity, it highlights the individuality of the person who owns it. Carefully tailored by Japan craftsmen: Each coogee is carefully tailored by skilled craftsmen and is durable and can be used for a long time. Beautiful sewing with attention to detail is a testament to craftsmanship. Fits in the hand: The simple yet sophisticated design fits comfortably in the hand. It is also non-slip and easy to hold. Perfect for gifts: The quality of the materials and careful tailoring make it the perfect gift for your loved ones. The special feeling unique to black pig leather in the country of Aya conveys the feelings of the giver.