Dog sunglasses are made of high quality plastic, with a comfy fit with soft PVC sunglasses frame, adjustable chin and head straps that snap in place snugly on doggie head shapes and sizes. Widen nose bridge design to improve comfort; Frame Bottom has breathable holes, vents to prevent vapor and breathable. 100% UV protection and protecting your dog's eyes from wind, water, hard light and fog. Ideal for everyday protection or outdoor sports.