Sheep casing is the smallest type of casing which is externally semitransparent. It`s diameter is between 16-30 mm. Sheep casings are divided into 91-meter hanks.

| Diameter | Quality | Average Approx. Stuffing Capacity Per 91-Meter Set |
| 16 – 18 mm | AA– AB – B – BC | 15 – 16 Kg |
| 18 – 20 mm | AA– AB – B – BC | 17 – 18 Kg |
| 20 – 22 mm | AA– AB – B – BC | 21 – 23 Kg |
| 22 – 24 mm | AA– AB – B – BC | 25 – 27 Kg |
| 24 – 26 mm | AA– AB – B – BC | 27 – 29 Kg |
| 26 – 28 mm | AA– AB – B – BC | 29 – 31 Kg |
| 28 mm / up | AA– AB – B – BC | 31 – 34 Kg |
Sheep casing is used for producing the following products:
- Cocktail sausage
- Vina
- Breakfast sausage
- Frankfurt
- Tender and spicy sausage