The border collie is highly intelligent, extremely energetic, and athletic. It tends to herd animals and people, they do best with older, well-behaved children. Each bundle includes: new pet. collar with pet tag. new plush pet bed. brush adoption certificate. 1 'D' alkaline battery. 100% synthetic fur. Dimensions: carrier box (flat): 11x7.75x5" (with the tent up: 11x7.75x9"). bed: 13x10x2". petzzz: 9.5x7x3".