Puppy Protection SleeveMade with heavy duty sleeve jute Made without a bite bar Two piece cuff and lower design Replaceable one piece lower section Use with left or right cuff [split] The Redline K 9 Puppy Protection Sleeve is a two piece cuff and lower design made from our heavy duty sleeve jute and contains no bite bar. This design makes it our sofest bite sleeve and is appropriate for young dogs that are ready to move on from a leather bite rag or our 7515 puppy sleeve.