【Size】: S: Diameter x Head girth =8.5 x 31cm / 3 x 12 "; Ear perimeter:15cm/5.9". | 【Outdoor Hat】: Protect your pet's eyes from sun rays. Let your pet enjoy various outdoor activities in the sunshine, share your meaningful moments. | 【Photo Props】: Dress up your pets with this hat. Let you become the coolest guys in the street. | 【Convenient Design】: Adjustable strap, avoid fall off, Cotton material, two ear holes for ear part, breathable and comfortable. | 【Quality Service】: Please measure your pet before buying. Leave a little more space when measuring the pet size. Due to manual measurement and light, the size deviation ranged at 1-2CM, and color will be slightly different. Before delivery, each item will be inspected more than 3 times and then packaged. Your satisfaction is our top priority, any quality problems please contact us for replacement or get a refund.

【Size】: L: Diameter x Head girth =13.5 x 44cm / 5.3 x 17 ";Ear perimeter:22cm/8.7". | 【Outdoor Hat】:Protect your pet's eyes from sun rays. Let your pet can enjoy various outdoor activities in the sunshine. | 【Photo Props】: Dress up your pets with this hat. Let you become the coolest guys in the street. | 【Convenient Design】: Adjustable strap, avoid fall off，Cotton material, two ear holes for ear part, breathable and comfortable. | 【Quality Service】: Please measure your pet before buying. Leave a little more when measuring the pet size. Due to manual measurement and light, the size deviation ranged at 1-2CM, and color will be slightly different. Before delivery, each item will be inspected more than 3 times and then packaged. Your satisfaction is our top priority, any quality problems please contact us for replacement or get a refund.

【Size】: L: Head girth =17"(44cm), Diameter = 5.3"/13.5cm, Forehead width=4.1"/10.5cm (the space between the ears on the top of the head，measured size of the forehead width should be slightly larger than 4.1 inches), Ear perimeter=8.7"/22cm. | 【Outdoor Hat】:Protect your pet's eyes from sun rays. Let your pet can enjoy various outdoor activities in the sunshine. | 【Photo Props】: Dress up your pets with this hat. Let you become the coolest guys in the street. | 【Convenient Design】: Adjustable strap, avoid fall off，canvas material, two ear holes for ear part, breathable and comfortable. | 【SIZE INSTRUCTION】: When you're buying a hat, harness or some cool doggie fashion, you'll want to make sure you measure your dog first. To properly measure your pet, please use a fabric tape measure. Please refer to the size information and take each measurement a bit loosely.

【Size】: M: Diameter x Head girth =11 x 34cm / 4 x 13 "; Ear perimeter:17cm/6.7". | 【Outdoor Hat】: Protect your pet's eyes from sun rays. Let your pet enjoy various outdoor activities in the sunshine, share your meaningful moments. | 【Photo Props】: Dress up your pets with this hat. Let you become the coolest guys in the street. | 【Convenient Design】: Adjustable strap, avoid fall off, Oxford material, two ear holes for ear part, breathable and comfortable. | 【Quality Service】: Please measure your pet before buying. Leave a little more space when measuring the pet size. Due to manual measurement and light, the size deviation ranged at 1-2CM, and color will be slightly different. Before delivery, each item will be inspected more than 3 times and then packaged. Your satisfaction is our top priority, any quality problems please contact us for replacement or get a refund.