TPR cooling toy 1. Fill with water by submerging, or hold under faucet. 2. Place toy in freezer for about 2 hours, until is frozen, with holes facing up so water does not leak out. 3. Remove toy from freezer and leave to settle a few minutes, than give it to dog to play with outdoors or on a water-resistant surface. Attention: do not allow pet to play with toy if it becomes damaged. Supervision is advised.