This Outwell FHF Pump Adaptor is designed to make your mattress pumps and tent pumps compatible. Please note that the Cyclone Tent Pump requires a separate tent pump adaptor. Material: TPU. Size: 4 x 2.4 cm (HxDia.). Colour: Charcoal. Weight: 5 g. Content: 1 x FHF Pump Adaptor. Item number: 651082.