DURABLE YET FLEXIBLE LEATHER — It’s reinforced with the inner cord sandwiched between leather to make this collar last for a really long time. Gentle and pleasant to the touch, it's a perfect decision for dogs with sensitive skin. SMART QR TAG — It’s a modern digital solution for your dog’s safety. This pet tag has a QR code on it that leads to a multifunctional mobile app. WELL-MADE — The edges of this collar are meticulously stitched with a heavy-duty thread. Thanks to it, the collar retains its shape for a long time and can handle almost everything.