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【OMB】Insect Repellent Collar For Cats And Dogs Anti-tiques Continuous Protection Feature: 1. Adjustable size: 3 sizes are suitable for most dogs and cats. You can adjust the length according to your pet's neck to ensure it is comfortable and does not fall off. 2. Low sensitivity: Healthy material, added non-allergenic ingredients, no need to worry about animal allergies. 3. Continuous protection: Usually the product can be used continuously for up to 6 months. 4. Waterproof: The collar can work even in water, and the protection time will not be reduced. 5. Adjustability: Relieve pet anxiety, maintain a good mood, and promote healthy growth. Description: The Insect Repellent Collar is adjustable, which can work even in water, and the protection time will not be reduced. Specifications: Collar width: 1cm S: Length 36cm, neck: less than 33cm, su