[SAKE CUP] NATURAL BEAUTY FLOWERS & BIRDS & WIND & MOON | OSAKA NANIWA PEWTER WARE

This guinomi is made of tin and features Japanese floral and bird motifs. It retains heat and cold well and can be personalized.

• The description claims that tin absorbs impurities from water and sake, improving their flavor.
• The description claims that the guinomi has excellent thermal conductivity, heat retention, and cold retention properties.