Use an insert 2 larger than the cover for 20x20 & larger .For the lumbars use the same size insert as the cover. What a beautiful design . This lively safari animal design will add a gorgeous touch to your decor . The background is a rich dark navy & touches of taupe & ivory throughout. This is great with all neutrals & can be mixed with so many colour schemes. It is lively but classy The fabric is 100'% cotton Both sides same design The closure is a bottom invisible zip This listing is for the1 animal print cover only , inserts available on line http://pillowsxpress.com/ All inside seams have bee serged to prevent fraying . Other pictures of pillows in this listing for reference only as very suitable co-ordinates Thank you for shopping THE COTTAGE CUPBOARD, have a wonderful day , Kathy Navy Safari Animal Print Pillow Cover - Robert Allen Design