1. Car Sun Shade for Side and Rear Window (3 Pack) - Car Sunshade Protector - Protect your kids and pets in the back seat from sun glare and heat. Blocks over 97% of harmful UV Rays - Easy to Install (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
PROTECT KIDS FROM OVER 97% OF SUN'S HARMFUL UV RAYS - with a great car window shade package. - Includes two 20" x 12" side car window sun shades, and a 30.3" x 19.6" rear car sun shade, with a bonus premium storage pouch for the 2 side shades and a dashboard mat added.EZ CLINK-ON SUNSHADES - Our 2 side Sun shade made from strong static material and will stick forever without adhesives that leave a messy residue, however the rear car sun shade do need suction cups, this is the only way the rear shade will stick good for a long time.

2. [KneeGuardKids3] Car Seat Footrest, Booster Seat Footrest (Grey) (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Mom~ my legs hurt so bad! Protect your child's knees from the force of gravity pulling their dangling legsKneeguardKids provides comfort and stability and removes pain, discomfort, and numbness, as it keeps the blood circulation flowing freely within your child's legs by relieving unnecessary pressure from the seat belt.

3. Safety 1st Onboard 35 Air 360 Infant Car Seat, Raven HX (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
Extended rear-facing 4-35 pounds 360 Protect provides 5 layers of safety

4. JCNCE Car Child Safety Cover Harness Repositions Strap Adjuster Pad Kids Seat Belt Seatbelt Clip Booster Adult Children Seat Belt Clips (Purple) (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
Repositions seat belt for a secure fitCrash tested for safety

5. Car Seat Protector By Family First | Saver Cover Mat For Back Seat Leather Upholstery | Pad Front or Rear Facing Child Baby Carseats Booster Seats Travel (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
CAR SEAT PROTECTOR - Helps hold the value of your vehicle. Ideal for keeping your car upholstery safe, protected and clean when used with baby car seats, child booster seats and either front or rear facing infant seatsNONSLIP AND SPILL PROOF SURFACE - Both upper and lower sections have an anti-slip surface on the underside, while the top is waterproof and cleans in a breeze. The car seat protector mat stays secure keeping carseat or booster seat from moving once in place.