THE GREENMA GLASS INFUSER: WHEN ECOLOGY, PRACTICALITY AND DESIGN COME TOGETHER. Here is our perforated GreenMa glass infuser made in Europe for an elegant, practical and zero waste tea or infusion experience. Its glass is thick, resistant and perforated to let the flavors of the plants diffuse. Glass is the most neutral material and will keep the flavors intact. Its perforations are horizontal and fine and hold the leaves. Its cork is made of cork Minimalist packaging that is 100% recyclable cardboard Materials: Borosilicate glass Dimensions: 14 cm (height) x 3 cm (diameter)