Material: 100% Microfibre Polyester & Inflatable PVC Insert. Material: 100% Microfibre Polyester. To use, slot the insert into the cover, and blow up the cushion using the valve. Featuring matching patterns across the beach towel in a bag, inflatable beach bolster, and inflatable cuddle cushion, this collection lets you create a beautifully coordinated space wherever you choose to relax.