DURABLE MATERIAL made of soft silicone with good elasticity, the dog collar light can achieve a certain degree of waterproof and anti-fall effect, but do not put the pet collar light in a damp place or soak it into water so as to ensure long-time use MULTI-PURPOSELED Dog Collar Lights , Bicycles, Running ,Camping provides an ambient glow bright enough to read, find your keys or keyhole, locate tent lines and camping gear, attach to your person for visibility.Also christmas gift ,black holiday. FAVORITE COLORS 1PCS silicone dog collar LED lights in 1 color : orange, vibrant colors are great to keep track your pup when outside in the dark, keeping dogs safe and sound during night FOOTPRINT MARK By pressing the footprint mark;There are 3 lighting modes: fast flashing light, slow flashing light and constantly light; Besides, the one-time CR2032 button battery can be replaced for the continue use. WIDELY USEDLED dog collar light, can match all pet collars with hanging buckles, or use LED light-emitting pendants for bicycles and mountaineering bags, which can be seen by others when driving or camping, increasing safety, and you can also hang it On the keychain, it is convenient for you to find the key or keyhole at night.