TixFree Spot On For Dogs (Between 20-40Kg Weight) is a highly effective and convenient solution for protecting your medium to large-sized canine companion from ticks and fleas. This easy-to-use spot-on treatment offers long-lasting defense against these troublesome parasites. With a gentle application, it provides continuous protection for up to 4 weeks, ensuring your pet's well-being and comfort. TixFree Spot On is water-resistant, so your dog can enjoy their regular activities without compromising its efficacy.