12" Stroller/Pram Inner Tube - 12 1/2" (12.5") x 1.75 to 2 1/4" (Fits all 12" x 1.75, 1.85, 1.90, 1.95, 2.0, 2.1, 2.125, 2.25) - Universal Schrader/Auto Valve - FREE SHIPPING! FREE VALVE CAP UPGRADE WORTH $4.99! SUPER AIR TIGHT - Less requirement to re-inflate unlike other tubes! PUNCTURE RESISTANCE - Higher quality butyl rubber gives better protection! METAL VALVE CAPS - 3x Higher air retention over plastic caps! SKYSCAPE CAPS WORTH $4.99 - One set (2 Caps) per customer FREE! IN STOCK + FREE P&P - Ready to ship now!