I would use in synthetic wool, of course!! Cushion covers tutorial, with a shoelace closure. Great idea!
Hexagon Patchwork Cushion Cover (inspiring)
Granny Square Pillow cover
Repiny - Most inspiring pictures and photos!
Google Image Result for http://furnish.co.uk/photos/articles/regular/cushions/cushions-11001.jpg%3F1320773764
African Flower Cushion - Love everything in this pic Craftmumship hoping my mum will make this for me in these colours for my birthday - hint :-)
Hey, I found this really awesome Etsy listing at https://www.etsy.com/listing/181048993/cushion-cover-pink-flower-decorative
Pop Art Cushion cover inspired tomato cans Warhol 40x40 cm 16x16 inches
how to make cushion covers
18 Ways To Subtly Cover Your Home In Cats