This is a spiked ring toy for a dog, from the brand SENY. The toy is shaped like a ring and is covered in soft spikes on both its inner and outer edges. The spikes appear to be made of a durable, rubbery material, which can help clean a dog's teeth and massage their gums during play.The toys are shown in blue, pink, and green. The product's dimensions are 16 x 16 cm.