Your package provides you with 2pcs inflation nozzle and 4pcs sealing rings(2 different sizes ).
Our pump adaptor nozzle is made of mixture of nylon and glassfiber, sturdy and long lasting.
Our sealing ring is made of silicone, having excellent sealing performance, and also very reliable during inflation.
The adaptor nozzle with sealing ring can be well connected to the inflation tube of the air pump and the inflation paddle board.
It can be used for SUP or other inflateble boats with the same interface; and 2 different thicknesses of sealing rings can also provide better sealing options.