This 4Knines Luxury Car Seat Cover is heavy duty and waterproof. Constructed from durable components, 4Knines covers are designed to last a lifetime. The colorfast, high temperature rated materials are free of AZO dyes and heavy chemicals like lead, arsenic, or mercury. 4Knines covers are perfect for dogs, kids, and transporting goods. The quilted top layer and continuous non-slip backing are completely waterproofed to prevent moisture from seeping through. The non-slip backing and sturdy seat anchors keep the cover in place.