Based on this product's specifications, here are some alternatives and similar models
Duvo+ Cooling Rubber Pet Toy — Shark or Bone Shape (model 14593)
Summary description:
Duvo+ cooling rubber pet toy (model 14593) is a chewable toy available in shark or bone shape made from rubber designed to provide cooling relief and interactive play for dogs. Intended for chewing, fetching and teething, the durable rubber construction supports regular play sessions. Suitable for pet enrichment, bite stimulation and gentle dental massage.