The Cotton and Silk Duvet Insert Review
REVIEW
Jul. 12, 2026 REVIEW
2 Mins Read

The Cotton and Silk Duvet Insert Review

What Is This Duvet Insert?

This is an all-seasons duvet insert from The Cotton & Silk, filled with mulberry silk and wrapped in a cotton shell. At the time of this review, it's priced at $199.99, marked down from $299.99, listed under the site's "Outlets" collection with only 3 left in stock in the Queen/Full size shown. It's also offered in King/Cal King, Twin XL, and Twin sizes.

Important Outlet Disclosure

The brand states directly on the product page that its Outlets collection consists of customer returns that are in new condition or overstocked inventory, and that some units may have packaging imperfections. The brand also notes that returns are not accepted on Outlets items unless there is a proven product quality issue — a meaningfully different return policy than a standard full-price purchase, and worth reading closely before buying.

Brand-Stated Materials

The Cotton & Silk states the filling is 100% long-strand mulberry silk at 250 grams per square meter, with the shell made from 100% breathable cotton. Listed silk fill weights range from 2.0 lbs for Twin up to 3.4 lbs for King. The brand also states the product is designed in California and manufactured in China, and recommends against machine washing, suggesting occasional sunlight airing or spot cleaning instead.

Bottom Line

For shoppers comfortable with the outlet-item terms, this is a discounted way into a mulberry silk-filled duvet insert. Check current sizes and stock at The Cotton & Silk.

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Review published on Jul. 12, 2026