Structure and materials: The upper and lower bowls are made of temperature resistant glass, the gasket is made of silicon, and the stand is made of stainless steel. 3 cup capacity: This syphon coffee maker provides a 3cup serving capacity, suitable for 1–3 people. It lets you serve coffee to guests or family in a stylish, practiced way. Buffer clamp: The buffer reduces pressure on the connecting clamp, protects the lower pot from being clamped, and helps prevent slippage and falls. The tightness of the connecting clamp is adjustable to improve stability and safety during use. Tips for use: Before heating, wipe the lower pot with a dry towel to remove any water droplets on the outside. When inserting the upper pot, push it down tightly to ensure a tight seal. When pulling up the upper pot, hold the handle of the lower pot with your left hand. Use scenarios: Home use: Prepare 1–3 cups of coffee for a family breakfast or afternoon coffee break. Small gatherings: Impress guests with a stylish siphon setup while serving multiple portions. Office or shared space: Efficiently brew up to 3 cups for colleagues in a compact setup.