To further prevent cold air from entering the shelter the seams should be sealed using a silicone gun. (feralcatfocus.org)
It's leak - proof and has double - wall insulation to prevent cold water from «sweating» outside the bottle. (health.com)
While this is great for preventing cold or hot air entering the home, shy or wary dogs may need some positive reinforcement training to feel comfortable pushing through both vinyl doors. (thedogclinic.com)