The shrimp is transformed into a straight headless, peeled, tail-on, Japanese-style shrimp. This is why it is also known as the Torpedo shrimp. Each case contains multiple trays with 30 pieces of shrimp on them.
These are available in 2 sizes
Size: 21/25, 30 pc/tray, 20 trays/case, Case wt: 23.81 lb
Size: 26/30, 30 pc/tray, 20 trays/case, Case wt: 19.84 lb
21/25 and other such numbers are references to size. So 21/25 means that there are 21-25 shrimp in a pound. The lower the number, the larger the shrimp.