Trixie Dog Insect Shield Vest Trixie Dog Insect Shield Vest – Our Trixie product is perfect for keeping your pet from irritation and discomfort. This product made from polyester is soft and light on your pet and with an elastic material to ensure comfort. The vest keeps your dog free from insects through an invisible, odourless insect protection by using an active ingredient called Permethrin. Your dog will receive long-term protection for atleast 25 washes from the followin Deters Mosquitoes Ticks Flies Fleas Ants Products such as this are ideal for walks in the park, camping and walks in the woods or wood- like environments. Colour – Grey.