Non-stop Dogwear Solid Collar - Working Dog is specially designed to withstand harsh conditions and heavy use. The perfect choice for big, strong dogs that need reliable and durable equipment. The Solid Collar WD is equipped with a semi-tightening function that reduces the risk of your dog coming loose from the collar. This feature also makes putting on and taking off the collar quick and easy. The collar is 50 mm wide, which distributes the pulling force over a large area and is gentle on your dog's neck. The padded design increases comfort, so your dog can wear the collar for long periods of time without discomfort.  Semi-tightening collar for working use Wide and padded Sticker slot for personalisation Machine washable up to 30°C, no tumble drying Size and Fit Size Min. Circumference Max. Min. Circumference 40 35 cm 40 cm 43 38 cm 43 cm 46 41 cm 46 cm 49 44 cm 49 cm 52 47 cm 52 cm 55 50 cm 55 cm MaterialsFabic: Nylon Padding: Closed-cell foam