press stud 
noun British
A small fastener on clothing, engaged by pressing its two halves together.The bag is a sort of rounded flattened truncated triangle shape, pleated onto the top band which closes in the centre with a magnetic press stud....
- Perhaps a press stud could also be inserted at the same time as the silicone, to enable their tops to remain attached!
- The black purse, with a silver zip and press stud, is still missing.
- close-down
- close down (or close something down)
- closed season
- closed shop
- closed syllable
- closed traverse
- closed universe
- close encounter
- close encounter of the first (or second etc.) kind
- close-fisted
- close-fitting
- close-fought
- Close, Glenn
- close-grained
- close harmony
- close-hauled
- close in
- close-knit
- close-lipped
- closely
- closely fought
- closely knit
- close-minded
- close-mouthed
- closeness