The finished pillowcase using the materials stated in this pattern is ~8.7 inches / 22 cm in height and ~11 inches / 28 cm in width.

The required materials and tools:

1. DK weight yarn, I used Alize Baby Best (90% acrylic/10% bamboo, 100g/240m) blue (189), white (55), red (56), orange (336), yellow (216), green (41), indigo (141) and violet (349) colors
2. 2.5 mm crochet hook
3. Buttons (4 pcs – D=0.7 inches / 17 mm)
4. Pillow Insert (size 11x8.7 inches /28x22 cm) or fiberfill
5. Scissors
6. Tapestry needle

Abbreviations (US):
Ch - chain
Sc – single crochet