http://www.mightymitedoggear.com/dog-supplies/airpupsaver AirPupSaver is a rear-facing dog car safety set with an integrated airbag built right into the seat back! This next generation PupSaver also features an all-metal tether attachment system. Newly added heavy-duty metal hooks for lower latch (child safety seat) attachment points in the back seat. Available in two sizes, AirPupSaver 25 tested for dogs up to 25 lbs and AirPupSaver 45 for dogs up to 45 lbs. AirPupSaver 45 also features a top safety strap which attaches to the child safety anchor located behind the headrest of the back seat of most vehicles. Both AirPupSavers have passed crash testing at MGA Research Corporation; a National Highway Transit and Safety Administration contracted testing facility in the USA.