Why are linen duvet covers so expensive?

Think of linen as the fine jewelry of bedding. Like most precious stones and metals, linen duvet covers are more expensive because they're rarer. For one thing, linen is more difficult and costly to harvest and produce than most other materials.
Pure flax not only has good corrosion resistance, is not easy to rot and is not eaten by insects, especially its significant antibacterial effect, the effect of a variety of parasites, the antibacterial rate of Pseudomonas aeruginosa, Candida albicans, etc. More than 65%, the antibacterial rate of Escherichia coli and Staphylococcus aureus beads can reach more than 90%. It is a rare natural health care fabric. Wash and easy to take care of. The structure of linen fabric is relatively loose, so it is breathable and has the reputation of "natural air conditioner".