product information: Waterproof: Completely waterproof, keeping your dog safe and dry in all weather conditions. Adjustable Velcro Design: The Velcro design on the neck and chest makes it easy to wear and adjust to fit your dog better. Leash Hole: A handy loop hole is reserved for a dog leash, and the top is covered with an extra piece of fabric. Collar design protects your dog’s neck from wind and rain. Features: Color: Pink, Blue, Green, Red, Yellow, Pink Camouflage, Green camouflage. Sizes: 10 sizes (see photo). Note: Hand washing and air drying are recommended. Notes: Colors may appear lighter or darker due to different monitor settings. The size chart is for reference only. There may be slight deviations due to manual measurements.