Features: Made of high quality plastic material, solid and durable. All finishes are non-toxic. Plastic handle, rustproof and can be used in a very long time. Practical and useful: Suitable for lifting the glass less than or equal to 100kg. Easy to use: Pump the plunger until the cup attaches completely, then vacuum is sufficient for lifting. Specification: Material: Plastic, rubber Vertical Suction Power: 180 kg Horizontal Suction Power: 220 kg Color: black Diameter: 20cm/8inch Package: 1 x Suction Cups 1 x Plastic Cases 1 x Small Suction Cup VOGREX 2x 8" 500kg Vacuum Suction Cups - Heavy Duty Glass/Granite Lifter in Black