1. Material: velvet lycra fabric 2. Applicable season: four seasons 3. Features a zippered design for better connection with clothing; the outer layer of the neck protector is removable for easy cleaning. 4. Adjustable tightness for a customized fit. 5. Reflective design for nighttime riding safety and style. 6. Dimensions: 17 x 17.5 x 18.5 cm