These plastic spacers / washers are used with metal clamps to secure underbody shields into position. They are very common across the VW group.

Small plastic washers that push onto a threaded or barbed stud to retain the material behind. The clips are typically used for items such as insula...

This plastic nut is used on some Vauxhall models such as the Crossland X. The nut is fitted inside the wheel arch and holds the liner or splashguar...

Widely used plastic trim clip for parts such as windscreen cowls, tailgate linings, sill covers, bumpers & dashboard.

This small white clip isn't normally sold separately by Peugeot. The trim clips are used on the front and rear wheel arch trims of the Peugeot 208 ...