Features: - 8 " vacuum pillow, carrying capacity: 125 lbs. per cup. - Fast attachment to smooth, non-porous flat surfaces. - The red line indicator warns the user of vacuum loss. - Let go of the valve lever and let it go quickly and completely. - Check valve enables pumping without losing the remaining vacuum. Specifications: Type: Glass Suction Cup Body Material: Plastic Handle Material: Metal, ABS Horizontal Load Capacity: max. 125 lbs Vertical Load Capacity: max. 100 lbs Size: 205mm (8 inches) Package: 2 x Glass Suction Cup .