The best way to look after your silk is to dry clean it.
The best way to look after your rPET is to wash at 30 degrees and hang dry. No need to press. You can tumble dry on low and iron on a low setting also.
We prefer to wash Cotton at 30 degrees and hang dry or low tumble.
Check-out our washing bag, https://phoebe-grace.co.uk/products/guppyfriend-washing-bag