: A pack of 25 "economical grade" 1-1/4" diameter suction cups for around $13.50, often used for sign inserts. Industrial Suction Cups for Paper & Cardboard
These are typically clear plastic (PVC) and come in bulk packs, often featuring hooks or clips for hanging items on windows and glass. buy suction cups
: A larger bulk option at Michaels Stores for $79.54, containing 288 assorted-size suction cups with metal hooks. : A pack of 25 "economical grade" 1-1/4"
For buying suction cups, there are several options available depending on whether you need them for crafts, industrial paper handling, or general home use. industrial paper handling