Description:Brand new and high quality.Material: Tourmaline + Ceramic powder + Heat sensitive materialsColor: BlackSize: One size， approx. 46.5cmx10.5cmPackage includes:1 x Neck GuardSize:46.5cmx10.5cm (adjustable)Material:Tourmaline + Ceramic powder + Heat sensitive materialsModel Number:45174Brand Name:OtherItem Type:Braces & Supports