Pillow inserts for Herding breed hand printed pillows. The 12x 20 inserts are very plush down alternative types.
If you prefer direct purchase, here is the link for the 12x20 https://www.etsy.com/listing/234209665/12x20-synthetic-down-pillow-form-insert?ga_search_query=12x20&ref=shop_items_search_2&frs=1&crt=1
20x20, down alternative not offered by us :
20x20 Ikea inner cushion : This would most likely be best with the 18x18 pillow cover.
https://www.ikea.com/us/en/p/inner-inner-cushion-white-70262197/ 2 inserts may be needed for extra fullness in the 20" size
Walmart Pillow inserts that are adequate 18x18
Walmart pillow inserts that are adequate 20x20
22x22 alternate down not offered by us