4PCS Black Rubber Teat Cup Liners for Goat Milking Machine Replacement Milker Accessories Item Type: Milking Liner Material: Rubber Color: Black Total Length: Approx.292mm/11.5in Applicable Object: Goat, cattle Application: Milk lining - milking machine accessories Temperature Control Range: Normal Temperature Weight: Approx.428g/15.1oz Uses: It is an indispensable part of modern breeding industry, widely used in milking machine, milk hall, milk cup group, etc. 1Easy to use, it can be used with teat cup (not included), easy to install and remove. 2Made of food grade rubber material, non?toxic and tasteless, good toughness and durable. 3Their inner surfaces are very smooth clean and contains no harmful deposits, the milk does not be polluted by secondary pollution. 4Soft material, does not hurt the nipple when milking. Suitable for cow or goat milking, will not leaking out milk. 5Good for breeding industry, be applied to the milking machine, milking parlor and milking cluster group. 4 x Milking Liner 1. Please allow 1?2in error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Applicable to European standard cattle and sheep use 2500 head times or 6 months to replace.