UPGRADE DESIGN- There are 2 Zippers for middle armrest of this back seat cover for dogs. Allow access to Child Car Seat via 4 Velcro Openings if you unzip both zippers.This bench dog seat cover for back seat backing designed with upgrade anti-slip mesh,more durable and soft.Add using 600D oxford instead of pet car seat back material. The cover will last longer time and wash over and over. 100% WATERPROOF WITH SIDE FLAPS - The bench dog backseat cover is unique quilted without any holes.Choose 600D oxford with water-resistant coating and tpu material as waterproof layers which help to prevent leaks and messes, especially if your dog jumps right into the car from the rain.Side flaps plus front flap around bench seat cover for dogs makes your bench seats end from muddy paws, dirty debris, dog hairs and scratches. =SAFE & EASY TO INSTALL -Along with adjustable straps on the back seat headreast the pet seat cover for back seat has an upgrade non-skid backing mesh .Two devices that anchor it to the seat and side elastic straps around seat corners keep this dog car seat cover in place tightly,ensure the security of dogs. =GOOD SHOPPING EXPERIENCE & EASY TO CLEAN-If you have any questions about quality and instructions during use, we will be happy to assist you. The dog cover for back seat is easy to clean - Machine Washable or Use Gentle Cycle.