- Spark Paws Tan Size M Big Dog No-Pull Harness * Made for broad chest breeds - * Multi-Use D Rings - The ring in front of the chest Reduces Pulling, back-mid ring is for Everyday Use, lower-back ring is for Running/Hiking * Heavy Duty - Triple stitched military grade nylon exterior, soft neoprene interior padding. Pressure tested, can withstand the strongest of dogs.  * 3-Way adjustable - Harness is adjustable around the neck/torso and waist area, can comfortable fit broad-chested breeds - Materials * Exterior Shell: Military grade nylon * Padding: Neoprene  * Webbing: Polyester * D ring: 1.5" Stainless steel ring * Buckles: ABS grade plastic buckles