28cm fitted sheet

The primary function of bed sheet corner straps is to provide stability. By attaching to the corners of the mattress and the sheet, they create a firm hold, keeping the sheet taut and flat. This not only prevents the discomfort caused by loose or wrinkled sheets but also saves you the hassle of constant readjustment during the night. For those who toss and turn, or for families with active children, these straps can be a game-changer, ensuring a consistently smooth and comfortable surface throughout the night.

...

 To choose bedsheets that won't pill, you have to pay attention to the quality of the fabric as well as the construction of the sheet.  Look for bedsheets with a high thread count, as this indicates a tighter weave and helps prevent pilling.  Also consider the ply count of the fabric, which refers to the number of yarns that are twisted together to form a single thread.  Single-layer fabrics are generally smoother and less prone to pilling than multi-layer fabrics.

...