Q1: What sizes are available for this dog lift harness? A: We offer Three sizes to fit different pets: Size S: recommended weight 4 - 8 lbs, bust 35 - 41 cm, neck 25 - 31 cm, leg spacing 12.5 cm. Size M: recommended weight 8 - 13 lbs, bust 42 - 48 cm, neck 31 - 37 cm, leg spacing 15.5 cm. Size L: recommended weight 13 - 18 lbs, bust 49 - 55 cm, neck 37 - 43 cm, leg spacing 18.5 cm.   Q2: Can this harness help dogs with mobility issues? A: Yes! The full-body support design helps dogs with:  Hip dysplasia  Arthritis  Post-surgery recovery  Senior dog mobility  Hind leg weakness Q3: Is the harness suitable for cats? A: Absolutely! The S and M sizes work perfectly for most cats. The breathable mesh keeps them comfortable during vet visits or travel. Q4: Can the harness be used as a carrier bag? A: Yes! It converts between: Lift harness mode (for assisted walking) Carry sling mode (for transporting your pet hands-free) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.