think 9mm is the thinnest spec
I tell a lie, you can get 4mm and 6mm too. 4mm is about £8 for 2400 x 1200 but would have to check if it would be strong enough to stop a ball
@Stu_F started
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I tell a lie, you can get 4mm and 6mm too. 4mm is about £8 for 2400 x 1200 but would have to check if it would be strong enough to stop a ball