1. Material: plastic 2. Strong load-bearing capacity, stable and not easy to fall out of the shelf 3. No drilling installation, no damage to the wall 4. Hang upside down to drain and ventilate, keep the inside of the cup dry 5. Electroplating slot, U-shaped double position, not easy to lose color 6. Open storage, easy to put things, easy to access 7. Thick cup body, rounded mouth, comfortable hand feeling 8. Size: single cup 78 x 125 x 113mm; double cup 151 x 125 x 113mm; three cups 224 x 125 x 113mm; four cups 297 x 125 x 113mm