Why Need Portable Safety Harness?I believe most of you like me(a 3 years old kids father)When we are taking our kids to play shopping or travel etc. we always prefer to carry with light packs rather than bulky car seat but meanwhile you may concern about their safety issues in cars buses planes or maybe running away encountering danger while walking that's why we designed this portable child safety harness to solve your many needs:1.The anti-lost leash for toddlers can provide safety for a child when walking by preventing them from being separated from their parent or caregiver.2.Thechild car safety harness is a special needs car seat ideal for securing your baby on the car seat to help secure from accidents.3.You can also use it as a travel safety harness to help secure your kid while taking train bus airplane when on the go with you. Warm-Tips For You: This child safety harness for baby is easy to use and come with a detailed manual on its use and care. Do not dispose of the manual. Additionally, our car safety harness is not meant to replace a car baby seat but is vital when catching a ride on a bus or taxi. The seat belt adjuster has been duly tested for safety so you can trust in it quality. Size: Small Size(Not Available Yet) : Use only with children who weigh between 30 and 55 lbs. (14 and 25 kg) and whose height is between 36 and 49 inches (92 and 125 cm).Medium Size :Use only with children who weigh between 44 and 77 lbs. (18 and 35 kg) and whose height is between 47 and 55 inches (120 and 140 cm).1-Year Warranty: The toddler harness with leash comes with a one-year warranty so you rest assured that any you will get a replacement for a defective product. Simply contact us for replacement when your product spoils in warranty.