LED Dog Collar Light Night Safety Nylon Pet Dog Collar LED Flashing Glowing Collar Perro Luz Led Bright Dog Collar Electronic You can adjust the length 5cm(3.15inch)Specification: width 2.5cm/0.98inchS: Neck (22-40cm/8.66-15.75inch) telescopic range 18cm/7.09inchM: Neck (32-50cm/12.6-19.69inch), telescopic range 18cm/7.09inchL:Neck (48-60cm/18.9-23.62inch) telescopic range 18cm/7.09inchXL:Neck (52-70cm/20.47-27.56inch) telescopic range 18cm/7.09inchHow to choose the correct size?Please measure the maximum item circumference of your pet, reserve 2-3cm (0.79-1.18inch), and then choose the appropriate product. If it is between the two sizes, it is recommended that you choose the larger size. Product is adjustable.Material: nylon webbingColor: red, yellow, blue, green, orange, pink,Flashing mode: long light. fast flashing. slow flashing (controlled by switch)Packing: OPP bag,Designable luminous surface patternBattery: 2PCS CR2032 button battery drive for 60-80 hours, normal use for 2-3 months; the battery can be replaced by itself, and it is available in convenience stores or supermarkets"DELIVERY DETAILS:We ship globally, ensuring your order reaches you wherever you are.PROCESSING & SHIPPING TIMES:Items are prepared in 3-5 business days before shipping. Delivery varies based on local postal services, usually taking 2-10 business days. International orders may require an additional 10-20 business days.MULTIPLE ADDRESSES:Sorry, we don't ship to multiple addresses in one order. For multiple destinations, kindly place separate orders. TrackingWhen available, we will send you a tracking number with the confirmation email so that you can track the package online.Address changesUnfortunately, we do not have the ability to change the shipping address once an order goes into processing.Customs charges and delaysSome countries may require import tax, duties and customs fees for the imports. These charges, if applicable, are determined and charged by the Customs office of your country. Paying these charges is your responsibility. There might also be delays in delivery times due to customs checks which is out of our control. For more information, please contact your local Customs office.RETURNS:Our 20-day return policy covers unused items in original packaging. No refunds or exchanges after 20 days from purchase. Thank you for understanding."