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10/90 DUCK KNIFE EDGE PILLOWS ARE 10% DOWN, 90% FEATHERS. ALL FEATHERS ARE TREATED, WASHED, AND STERILIZED TO U.S. STANDARDS.
All of our feathers and down are thoroughly cleansed and washed no less than 13 times in non-phosphate, n...
Reviews
4.5
10 ratings
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Very pleased with the inserts. I’m glad I got them 2 inches bigger than the pillow cover.
K
Kurt · July 25, 2026
Fuller than most
As a rule when making a pillow cover you make it 1 inch smaller than the insert to give it density. But this 18x18 down insert fits well in a 19x19 or an 18x18 cover depending on the look you want. It does mention you should order the same size insert as the pillow cover. It’s not necessary to order up. It is definitely a heavier insert than a 100% down pillow. I was happy I didn’t feel any large quills which can penetrate out.