The PETCARE Spiked Dog Collar Blue Soft Pu Leather Funny Mushrooms Rivet Spike Studd is a stylish and fashionable way to keep your pet safe. Made of high-quality PU leather and spiky vinyl, this collar is durable and easy to adjust. The D-ring fits most standard-sized dog leashes, name tags, and rings, making it easy to find a suitable fit for your pet. The collar also features blue spikes that are not too sharp to cause pain or injury to pets.