Foam inside can keep the dog floating in water. Water resistant with strong webbing to secure the dog’s weight. Durable buckles to adjust to fit the different body of dogs. Strong metal seamless welding D-ring, easy to add the leash. Size: X-Small Product Code: LJ01 Dimensions: 28 cm Barcode: 6953182740605 Size: Small Product Code: LJ02 Dimensions: 35 cm Barcode: 6953182740612 Size: Medium Product Code: LJ03 Dimensions: 45 cm Barcode: 6953182740629 Size: Large Product Code: LJ04 Dimensions: 55 cm Barcode: 6953182740636 Size: X-Large Product Code: LJ05 Dimensions: 65 cm Barcode: 6953182740643