... standard-the chinese first and only manufacturer to do so.
See: Phthalate-Free suction cups.
Kingfar suction cups company – isuctioncups.com sells suction cups in 15mm, 16mm, 20mm, 22mm, 25mm, 30mm, 35mm, 38mm, 40mm, 42mm, 45mm, 50mm, 55mm, 60mm, 63mm, 65mm, 70mm, 80mm sizes for many applications.Many are available with Single Metal Hooks, Complex Metal Hooks, Plastic Hooks, Mushroom Head, Thumb Tack, Screw And Nut, Top Pilot Hole, Side Pilot Hole, Heavy Duty, Loop/Keyring, Double Sided, Double Lawer, Razor Holder, Display Hold...