You can crochet this toy with your favorite yarn - cotton, acrylic yarn and your favorite crochet. The height and width of your toy will depend on the thickness of the yarn and the hook.
I recommend 2 types of yarn

1. Yarn 100% cotton good twist-218yad/240 m / 50gr-yellow 100 yards, brown 50 yards, a little white 8 yards for the muzzle. Crochet from a thread of 2 additions.
2. Yarn 100% Cotton yarn (1.75oz/50g approx 137yds/125m) yellow 50yards, brown 25 yards, a little white 4 yards for the muzzle. Crochet from a thread of 1 additions. When using the recommended yarn, the size of the finished teether is 16 cm / 6 inches (together with the ring) Hook-No. 1,0-2,0 mm Scissors Needle 1 wooden ring with 70mm 2 wooden beads 12 mm Filler -holofayber, synthetic fluff