Freedom 700 x 28-32Thorn Resistant Schrader Valve Tube with Sealant - 48mm
 
Prefilled with tube sealant that prevents flats by instantly sealing punctures The sealant is forced into the opening by internal air pressure and upon contact with the outer atmosphere, bonds to the tube creating an airtight plug of flexible fibres permanently sealing punctures.

Poly bagged.