Soft-shell crab, sometimes abbreviated to just soft-shell, is a seafood delicacy with the entire crustacean capable of being eaten, a result of catching and cooking crabs shortly after they molt their hard shell. Size hotel 18 pcs/pack/kg. Prime 14 pcs/pack/kg. Jumbo 12 pcs/pack/kg. Whale 10 pcs/pack/kg. S.Whale 8 pcs/pack/kg.