Silicone mat for small parts

[KX4QC]

Silicone construction mats keep small SMDs, screws from getting lost, while soldering is done in a heat-protected area.
There seems lots of these, so here is just one -not recommending it over some similar ones. Many seem good, and not expensive.

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Silicone Soldering Mat, Heat Resistant 932°F Electronics Repair Mat, Tools and Parts Organizer, Large Magnetic Work Mat for Watch, Phone, Ipad, Laptop Repair, Soldering Iron, 17.7"*11.8"
ASIN B0BN63QKG4 $14.59.

Anyone have one? Beats egg boxes for parts!