Our Shrimp is RAW and only available in 4 lb frozen boxes. If you aren't a shrimp expert, here are the sizes in order of largest to smallest: Colossal shrimp are 8/12 per lb and are the largest. Jumbo shrimp are 13/15. Extra Large Shrimp are 16/20 size. And Large shrimp are actually the smallest and they are 26/30 per lb.