Essentra Components is a specialty plastic, fiber, foam and packaging products company.
You can request FREE Samples of Suction Cup Products from them.
- Double Sided Suction Cups
- Vacuum Cups – Suction Cups
- Single Sided Suction Cups – Groove
- Single Sided Suction Cups – Hole
- Single Sided Suction Cups – Hook
Look for the gray ORDER SAMPLE button on the individual product pages.
It does appear that many of the suction cups are no longer available as a FREE Sample, however, there are many other items to choose from.
You can order multiple samples and shipping is FREE.
Essentra offers samples of MANY of their products. Just look for the gray ORDER SAMPLE button or this image
More details here