If it’s hot, cold or warm you prefer, this decanter set is perfect for keeping sake at the ideal temperature while serving! Ideal for keeping sake at the perfect temperature. Simply fill the bottom of the decanter with warm water or ice and water to help maintain temperature. Top decanter nests inside base keeping the sake submerged in the water. Stylish frosted base with clear top. Includes: 6 pieces - decanter base & serving top with 4 wood sake cups. Dimensions: decanter: 8.25" x 4" (21 cm x 10.25 cm) cups: 2.3" dia. x 2.1" H (6 cm dia. x 5.3 cm H) Capacity: 7.6 ounce (225 milliliter) Material: glass & wood Washing: hand wash