From the pattern page description:

The 10” monkey is knit in the round from the feet to the head; and arms, ears, and tail are sewn on.

This monkey is not suitable for infants since the small sewn parts could be choking hazards.

Yarn:

Monkey—30g (138 yds/126m)

Rolled-Brim Hat—7g (33 yds/30m)

Scarf—7g (33 yds/30m)