Improves Seal & Energy Efficiency: The PetSafe Pet Door Installation Kit boosts insulation with clear silicone sealant and dual size weatherstrip rolls to minimize air leaks Everything in One Box: This all in one kit includes a 5/16-inch drill bit included, a tube of sealant with applicator tip, and two sizes of weather stripping for a custom fit Universal Fit: Works with PetSafe doors and most brands as a universal pet door accessory, designed for DIY pet door installation on raised or flat surfaces Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families