In most cases, a duvet cover is constructed by stitching together two rectangular sheets of cloth on all four sides. One sheet is then cut lengthwise along the center, allowing the duvet to be fitted within the cover once it has been folded. Additionally, high-end duvet covers include ties at each corner, which allow the duvet cover to be fastened to the duvet at each of the four spots where it is tied. This design prevents the duvet from being bunched up within the cover.

 When caring for microfiber sheets, it's important to follow the manufacturer's instructions.  Most microfiber sheets can be machine washed and dried, making them easy to maintain.  Avoid using high heat when drying microfiber sheets as it can damage the fabric and reduce its softness.

Prized for its warmth, flannel is primarily popular as a winter material. You can assess how thick and heavy a flannel sheet is by the GSM, or grams per square meter. A GSM of 130 to 135 is considered lightweight, 140 to 150 is considered midweight, and 160 or more is considered heavyweight. 

Make sure you understand the distinction between a duvet and a duvet cover. It might not be easy to distinguish between the two primary components of a duvet set while shopping without prior knowledge. Keep in mind that the duvet is the fluffy blanket contained within the set, and the duvet cover is the warm shell surrounding the duvet. For a complete duvet set, you'll need both.

This synthetic fibre creates a soft, durable and wrinkle resistant fabric. Although, as it is quite a dense fabric, it may feel a bit warm and sweaty in hot weather.