[Thinking is more about peoples and attitude] The combination of the stackable espresso cup set with stand rack can prevent the cups and saucers from being randomly placed. The walls of the cups are relatively thick, so they retain heat.They are the best collocation in your life. [Save Counter Space] The Espresso Cups and saucers can be overlapped on the metal brackets for easy management. Save space and keep your kitchen clean and tidy. The saucer has groove that can trap the bottom of the cup. The cup doesn't slide when you carry it around. [Magic Reactive Glaze Art - Show Beauty] espresso cups shows vivid natural environment, those belong to natural posture and imperfection. made from and reliable porcelain reactive glaze material, Lead and Cadmium-free, harmless,with a smooth and no effect on the taste of the coffee. Dishwasher, Refrigerator, Heat resisting, Microwave safe. Colour:B:Dark Blue Material:Ceramic+Metal Package Contents: 4 * cup 4 * plate 1 * iron frame Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.