This necklace is made of EM ceramic and agate.
EM ceramics (white tubes in the photo) are a Japanese discovery, it is composed of clay to which Effective Microorganisms (EM) are added. These EM emit magnetic resonances, vibrations, which disrupt the tick's receptors. It does not cling because its senses are disturbed.
Agate fights stress, anxiety. Makes you more sociable. Helps your dog be less possessive.
The collars are made in France . They are manufactured according to very precise standards so that they are strong and safe for our companions.
Do not attach a leash to these collars.