All SLiME Smart Tubes are factory-filled with a precise volume of Slime Tube Sealant, Presta Valve;Smart Tubes instantly seek out and seal punctures as they occur, preventing flats, repeatedly and continuously for up to two years;Dimensions 29er Inner Tube, 29 x 1.85 - 2.20

• Slime, Self Healing Tube 29 x 1.85-2.2, PRESTA Valve
• 29 Inch
• Black

Slime, Self Healing Tube 29 x 1.85-2.2, PRESTA ValveSlime