Features: Ensure your pet's safety and comfort with this set of pet helmet and eyewear. Made from plastic materials, it provides reliable safety for your pet's eyes and head. Perfect for outdoor activities and adventures. Whether you're hiking, biking, or simply taking a walk in the park, this set is a must have. Take your pet on exciting outdoor adventures without worrying about their eyes being affected by sunlight, wind, or debris. This set provides necessary protections for all your outdoor activities. Specifications: Material: ABS+Polyester Type: 12 Kinds Optional Helmet Size: Size:S Head Circumference:37cm(14.57inch) Top Diameter:7.5cm(2.95inch) Adjustable Length:42-47cm(16.54-18.50inch) Size:M Head Circumference:42cm(16.54inch) Top Diameter:7.5cm(2.95inch) Adjustable Length:47-57cm(18.50-22.44inch) Sunglasses Size: As Shown Package Includes: 1x Pet Sunglasses 1x Pet Helmet note: Material: ABS+Polyester Type: 12 Kinds Optional Helmet Size: Size:S Head Circumference:37cm(14.57inch) Top Diameter:7.5cm(2.95inch) Adjustable Length:42-47cm(16.54-18.50inch) Size:M Head Circumference:42cm(16.54inch) Top Diameter:7.5cm(2.95inch) Adjustable Length:47-57cm(18.50-22.44inch) Sunglasses Size: As Shown