With Trach Hole * Size: Pediatric Measurement Collar: Neck Circumference 8-11 (20-28 Cm) 1.75 (4.5 Cm) Height * Neck Circumference And Height From Tip Of Chin To Sternal Notch * Contact Closure Fastener For Easy Application And Adjustment * Can Be Incorporated Into Cervical Casts And Is X-ray Translucent * Offers Better Limitation For Rotation And Extension Than Foam Collars * Not Made With Natural Rubber Latex; Non-toxic And Hypoallergenic Plastazote Foam Reduces Skin Irritation * Total Cervical Arch Support Maintains Neutral Alignment Of The Cervical Spine * Water-resistant For Bathing And Hydro-therapy