4Pcs Heavy Duty Suction Cups, Suction Cup with 360° Rotatable D-Ring Strap Hook,

And the nylon strap upon the hook is thick, tear-resistant, and not easy to break, making it stress-free for household and outdoor use. It sucks out the air to generate negative air pressure, so that the suction cup can be firmly adsorbed on the plate without adhesive.

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