This pattern is of a chunky cushion cover with loops. You can make it in 1 or 2 colors. It looks difficult to make, but it's an easy crochet pattern. It's fast to make with super bulky yarn and because you close each round, you don't have to sew any sides. The pattern is for a cover of 50 x 50 cm / 20 x 20 inch or 50 x 30 cm / 20 x 12 inch.
You will get the pattern in American and English crochet terms.
The stitches that are used for the cover are: American: chain, Single Crochet, Half Double Crochet and Slipstitch (Hook N 15 = 10 mm hook) English: chain, Double Crochet, Half Treble and Slipstitch (Hook 000 = 10 mm hook)