The "fill" dictates both the comfort and the "choppability"—the ability of a pillow to hold a crease when "karate-chopped" at the top for styling.
The primary secret to a high-end, designer-look throw pillow is choosing an insert that is slightly larger than the cover to ensure it remains plump and well-structured. The Golden Rule of Sizing how to buy pillow inserts
Sizing up by only 1 inch is often sufficient to prevent the pillow from becoming too stiff. The "fill" dictates both the comfort and the
For a full and professional appearance, it is standard practice to by 1–2 inches. how to buy pillow inserts
Use an insert that is 2 inches larger than the cover (e.g., a 22"x22" insert for a 20"x20" cover).