A good helper for coffee extraction, enjoy a cup of coffee in leisure time. As a gift with it, added touch of thoughtfulness for coffee lovers on birthday, wedding, anniversary, valentine's day, women's day, mother's day, thanksgiving, christmas, housewarming, etc. Specification: Material:high borosilicate heat -resistant glass Size: 3.9" x 3.9" x 4.3"(L*H*D) Fits ly over most coffee mugs, thermoses, and single serve coffee pots. Uses V02 coffee filters (common at most stores). size cup to make 1-4 cups of coffee. Made in China Package Included : 1x Glass pour over coffee dripper (coffee filters are not included ) Notice: This makes 1-2 cm differences due to manual measurement. Due to the difference in light and screen, the color of the product may be slightly different from the pictures.