Pls measure your dogs' neck and head circumference as the same location as the line.
Noted:
Due to different measurement methods,size may exist in 2 -3 cm error
Speciations:
Type: Collars Collar Type: Slip Chains Material: NYLON Type: Dogs Season: All seasons Pattern: Solid Feature: Breakaway,Padded,Quick Release,Reflective,Call Reminder,adjustable,Comfortable ,Adjustable,Soft Size: xxs-xxl Color: ArmyGreen,purple,Orange,Blue,Black applicable dog breed: All Breeds,Chihuahua,Bulldog Material: Nylon,Soft padded Dog Training collar: Yes Dog choke collar: Yes Dog Pinch collar: Yes Escape Proof: Yes Suitable for: Pet dog training running walking Type: Truelove Nylon Dog Training Collar Pet Slip Choke Collar