Are signal blockers a good stocking filler?

Considering buying a few signal blocker pouches as stocking fillers. Some of them look a bit cheap and I’m not sure how effective they are. Are there any in particular that I should be looking at for around £10 or less?
The only one we've tested and reviewed in-depth is the Monojoy signal blocking pouch, which worked faultlessly but bear in mind that, at this price, you have to take into account that they will only last so long. If the pouch gets damaged at all, it won't properly do its job anymore. Full review here:

Check out our Top 10: Signal blocking, keyless entry theft pouches and boxes feature as well:
Answered by Georgia Petrie on

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