1.Custom bench cushion dimensions: Our washable removable seat cover bench is available in different sizes and colours and provides a stylish look. Thanks to the fixed zip, you can easily remove the cover and wash it in the washing machine. This cushion creates a modern, stylish living atmosphere in your home or garden. 2. fabric/breathable fabric: Our nonslip seat pads have 2 types of fabric covers for your option. 1. A waterproof polyester cover is available for outdoor use. The waterproof fabric is scratch and abrasion resistant and has a soft and delicate grip. Can be effectively splashproof and dirtrepellent. 2. Linen fabric does not shrink, good moisture absorption and breathability, without irritation. No pilling, the fabric structure is compact 3.High density sponge: the cushion for garden furniture is filled with 50D highdensity sponge, thick, comfortable and durable, which you great comfort and relieves hip pain. The highdensity foam not only provides you with sufficient grip, but also retains the original shape of the seat after sitting for a long time. It is ideal for raised window cushions, sofa cushions, chair cushions and home applications. 4.Nonslip design: each stylish bench cushion comes with a nonslip rubber base. You don't have to worry about the pillow when you sit down. We have also added three adjustment options for the nonslip base, including adding straps, buckles and velcro, you can choose your preferred fastening method to secure the seat cushion.