Slime 30050 Super Thick Self-Sealing Smart Tube Schrader Valve 20 x 1.75-2.125?

The ultimate choice for flat prevention, Super Thick Smart Tubes are 5X thicker to provide unbeatable protection against even the most damaging thorns, glass and debris. Get flat protection that no other tube can match: go for it, take the short cut! All Slime Tubes are factory-filled with a precise volume of Slime Tube Sealant. Smart Tubes instantly seek out and seal punctures as they occur, preventing flats repeatedly and continuously for up to two years. Ride without worries. Brand: Slime