【IPX8 Water-proof Structure & Compact Measurement】Taken Off the water resistant ring design for a more compact size. Nonetheless water-resistant to IPX8. We now have made a water-proof line on the inside edge of the product (built-in into your products) so that h2o simply cannot penetrate providing the screws are tightened. https://www.wanderlustprogear.com/products/airtag-dog-collar-adjustable-for-apple-airtag-silicone-case-designer-collar-for-small-medium-large-dog-pet-gps-accessories