Type: Reflective Dog Harnessmaterial:nylon,resin,metal,mesh Lining,3m Reflective Trimsize:s,m,l,xls Neck 20-32cm/7.9-12.6" Chest 27-39cm/10.6-15.4" Width 1.3cm/0.5"m Neck 28-40cm/11-15.7" Chest 34-50cm/13.4-19.7" Width 1.6cm/0.6"l Neck 36-52cm/14-20.5" Chest 45-66cm/17.7-26" Width 2cm/0.8"xl Neck 48-73cm/18.9-28.7" Chest 62-95cm/24.4-37.4" Width 2.5cm/1"measurement:pls Make A Circle Around The Dog's Neck And Chest,leave 2-3cm Aside To Measure.features:1.heavy-duty And Durable:made With High Quality Material,soft Mesh Padded Lining,with Nylon,not Easy To Be Broken.2.easy To Wear And Take Off:this Harness Is No-pull Design,which Is Easy To Wear And Take Off.attention,please Leave Your Dog 2 Fingers Gap Between Harness And Neck When You Help Your Dog Wear The Harness.3.strong Buckle:we Use Professional Buckle,strong And Durable,made To Last.4.reflective For Night Safety:reflective Trim Ensures Great Visibility And Safety During Night Walk.5.high Quality Alloy:solid And Lightweight,not Easy To Oxidize.6.soft Mesh Lining:breathable And Comfortable,custom-fit For Your Pet,no Hurt To Dog's Hair.