Dimensions:
The dimensions below are based on using size #10 crochet cotton and a size #8 steel crochet hook.

Jellyfish:
5 1/2 inches by 9 inches (length measured to end of longest tentacle).

Seahorse:
About 5 inches long.

Seaweed:
The center blade is about 18 inches.

After each piece is worked, they are then arranged on a background and attached by using spray adhesive.