Now you won’t have to keep adjusting your bedsheet while you sleep when you have these Bed Sheet Fasteners Adjustable Grippers! They are convenient! The main purpose of these straps is to keep the bed sheet in place. It comes with one strap but unlike others, it has six smaller straps with a total of twelve clips. This means that you can grip the sheet in twelve places. It is also adjustable so accommodate different bed sheet sizes. The clips have plastic in them to prevent damage to the sheets.