Features: brand new and high quality Relieve anxiety: Whether your dog is new to your home or has gone through a difficult period (frightened, fireworks, thunderstorm), this product can provide your pet with a comfortable environment and help relieve anxiety. Real feeling: This product has a heating pack and a beating heartbeat, which is as real as the warmth of the body, thereby reducing the tension and loneliness of the pet. Help pets transition to their new environment. Establish an intimate relationship: Dogs like to live in groups and cuddle with their partners, so nestling toys to simulate the shape of a bear, heartbeat, and accompanying scenes helps to establish an intimate relationship with pets and reduce the puppy's barking and crying. Built-in pulse heartbeat and heating pack: a heartbeat with temperature, the heating pack only needs to be heated in a microwave oven, and it can be kept constant for 10 hours. The heartbeat device can work continuously for 350 hours and accompany the pet for a long for time. Fully disassembled and washable design: It can be disassembled quickly, simple and convenient, so that your pet can for touch clean toys. The heartbeat simulator requires 2 AAA batteries, but does not contain batteries. Specifications: Material:High Quality Plush,PP Cotton,Built-in Heartbeat and Volcanic Stone Heating Pack Type1: Sheep Type2: Dog Type3: Hippo Type4: Bear Size: Approx. 35x20x18 for cm/13.78x7.87x7.09 inches Package Includes: 1 x Pet Sleep Toy note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Other parts are not included. Thanks for your understanding.