12-1/2" x 2-1/4" inner tube works with Razor Pocket Mod scooters: Bella, Betty, Bistro, Daisy, Hannah, Sweet Pea electric scooters and other scooters brands: Currie, Schwinn, GT, IZIP, eZip, X-Treme and more

Fits most 12" wheel scooters and vehicles, like e-Bike, Mini crosser, Mini dirt bike, Kids Bike, Balance Bike

Heavy duty inner tube with TR13 straight valve stem, ISO 9001 certified. Extra secure welded seams, high puncture resistance

Made from isobutylene isoprene rubber, NOT recap, this inner tube is made of isobutylene isoprene rubber, which is better in air tightness, elastic damping and aging resistance than natural rubber

CUSTOMER SATISFACTION: Before installing, check to see if the inner tubes are completely sealed by putting them in water, if there are any bubbles, they are already damaged. Please contact us, We will provide 100% refund or Free replacement to you soon