Made to last, this think and tall, 4 inches, curved posture collar will keep its users in place without bending. It features a solid welded tri-ring on the front and a heavy-duty roller buckle in back. Now featuring a locking buckle! Allows the posture collar to remain put until you wish to take it off. Can be used with or without lock.

• Small Fits neck sizes 12.5 - 14.5 inches
• Medium Fits neck sizes 15.5 - 19.5 inches
• Large Fits neck sizes 17.5 - 21.5 inches

Note: Lock not included.