PETLESO Dog Life Jacket Dog life Preserver with Reflective Stripes for Large Pets HIGH-STANDARD MATERIAL: Delicately crafted with high-density, abrasion resistant and polyethylene foam, offers the maximum comfort and warmth. SPORTS-STYLE DESIGN: sports-style design gives your beloved dog a new look and does not hinder his/her natural movement COLORS: Reflective feature and extra bright safety colors to enhance visibility SIZES: Available in 5 sizes, ranges from 3XLto 7XL. Please kindly read the HOW TO MEASURE & SIZE CHART illustration in the product pictures to get a right size for your beloved dog WIDER RANGE OF VELCRO STRAP- Freely adjusts the tightness, will not restrain the neck and chest and perfectly adhere to your pet's body curve.