Description: MaterialSeat Cushion is made of PVC material, lightweight and sturdy.DesignChair Cushion features an innovative adjustable height feature that allows you to customize the height, ensuring optimal comfort and correct alignment for people of different heights and needs.FeaturesInflatable Cushions inflatable design makes it easy to carry and store, great for traveling or using in different bathrooms. Inflate or deflate as needed for comfort and support wherever you go.Easy to CleanPortable Inflatable Pad needs to be wiped with a damp cloth or rinsed with water for easy hygienic maintenance.ApplicableSuitable for office chairs and wheelchairs, providing a comfortable riding experience and relieving the discomfort of sitting for long periods. Specification: Material: PVC Size Chart: 43cmx43cm/16.93inchx16.93inch Package Includes: 1 PVCOffice Chair Cushion Note: Please allow slight errors of 1-2cm differences due to manual measurement.