Safety Standards, as well as Standard for Structural Integrity, which uses energy levels approximately 2 times the Federal Crash Standard for multiple-shoulder harness positions. Convertible Car Seat allow it to accommodate growing children longer, and the easy to access upfront harness adjustment and buckle release makes it convenient for simple harness adjusting. The energy absorbing foam liner used in the Kids Convertible Car Seat provides added safety at the same time providing extreme comfort for your infant or toddler. Harness covers, buckle covers and a plush head pillow will keep your infant or toddler comfortable during long car trips. Cleaning Instructions : DO NOT lubricate or immerse in water any part of this child restraint, unless rinsing is permitted Plastic and metal parts may be wiped clean with mild soap and water and dried with a soft cloth. Do not use abrasive cleaners or solvents. Take care not to damage any labels. The harness can be wiped clean with mild soap and water. Allow harness to air dry. Machine wash the seat pad separately in cold water, delicate cycle. n low heat. Periodically inspect ahaint’s crotch buckle of food, liquids, and other debris to ensure proper latching. Place the buckle in a cup of warm water and gently agitate the buckle back and forth. Press the red button several times while the buckle is in the water. Do not submerge the harness strap. To avoid damage to the buckle, do not clean the buckle with soap or detergents and do not use a lubricant. Fit: The top of the child?s ears are at or below the top of child restraint seat back.