Finished size: 9.75” wide across bottom x 8.5” tall.

How I did this:
ch4, join.
Rnd 1: 12 dc in ring, join.
Rnd 2: 2 dc in each dc, join. (24 sts)
Rnd 3: dc in first st, 2dc in next st, (dc in next st, 2dc in next st) around, join. (36 sts)
Rnd 4: dc in first 2 sts, 2dc in next st, (dc in next 2 sts, 2dc in next st) around, join. (48 sts)
Rnd 5-14: dc in each st around, join.
R15-16: sc around, join.