Gauge : 10 sts & 4 rows = 5 cm x 5 cm in dc

Abbreviation :
Ch – Chain
Sc – Single Crochet
Sc2tog – Single crochet 2 together
Dc – Double Crochet
Dc2tog – Double crochet 2 together
Dc3tog – Double crochet 3 together
Sl st – Slip Stitch
Bpdc2tog – Back post double crochet 2 together
Bpdc3tog – Back post double crochet 3 together

Notes :
Use slip stitch technique to join the granny square.
Work the tissue box cover body in round.
To make the center of tissue box neat, just slip stitch every stitch around the hole of the tissue box cover.

Finished dimension of the tissue box cover would be 22 cm length, 11.5 cm width, and 8.5 cm height.