These feather down pillow forms contain high quality, 95% fine white duck feather and 5% white duck down. For lasting freshness and protection these pillow inserts has been treated with Ultra-Fresh™ - a safe, non-hazardous antimicrobial and antibacterial treatment. The outer cover is made from 233TC white cotton for a down and feather proof shell. Soft and luxurious, this pillow form will give your decorative pillows covers the ultimate feather down look and feel.