They work well when/if you use them on the go, the tyre inflates and squashes the patch between tyre and tube which helps it keep it's shape and place. If you leave them "out" overnight then the patch is able to move about and goes bad.
I use them, they seem to work well.
@Clockwise started
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They work well when/if you use them on the go, the tyre inflates and squashes the patch between tyre and tube which helps it keep it's shape and place. If you leave them "out" overnight then the patch is able to move about and goes bad.
I use them, they seem to work well.