Small Mini Suction Cups with Mushroom Head. Thin Neck. 22mm x 100 pack
These suction cups with mushroom head are sometimes called window suckers or suction pads.
Adams suction cups with mushroom head in a 22mm diameter are rated to hold 1/2 pound (0.22kgs) in weight and are useful for window posters and signs up to 2-3mm in thickness through a punched hole.
Suction cups or window suckers work on glass, glossy plastic, mirrors, glazed ceramic tiles or any flat, clean, dry, slick/shiny, non-porous surface.