Our healing crystal necklaces are made durable just for pets with double wire beadwork and extra strong clasps. They layer nicely with your pet's collar and you can add one or more of our healing pendants to complete the look and bring even more healing energy to your pet! All necklaces have a two-inch adjustable extension and feature our signature black Shungite bead that aids in protecting against EMF’s from 5G, cell towers, other radiation, and dirty electricity. Protect your pet’s health with this miracle stone. Rose Quartz - emphasizes the universal love of your pets. This beaded necklace efficiently spreads harmony and healing properties to your pets. Enveloping them with a sense of safety and unconditional love, it promotes pure health and happiness. Size xs = 9-11" Size s = 11-13" Size m = 14-16" Size L = 20-22" (Contact us for custom sizes) *please don’t leave your pets unattended during wear and be especially mindful of taking it off during more robust activities