●Small Leash is Suitable for Dogs Under 35 lbs; Medium For Dogs Under 55 lbs; Large For Dogs Under 110 lbs; Retractable Leashes Not Suitable For Chewing ●16 ft Tape Leash With Easy-Adjust Retraction; Tangle Free 360 Degree Tape Movement ●Quick Lock And Unlock Feature - Easy Roll-On and Roll-Off With Your Thumb ●Super Comfortable Grip For Those Long Walks! Ergonomic Anti-Slip Handle ●Heavy Duty Internal Coil For Consistent Retraction