Ideal replacement tubes for 15x6.00-6 tires / wheels. 2 per pack. Made with premium-quality, heavy-duty rubber, these inner tubes are highly durable and ideal for home, professional and commercial / industrial use. Usable with riding mowers / lawn mowers / lawn tractors, golf carts, go karts / go-karts, and more. No need to buy a new tire when you have a flat, simply replace the tube and you'll be back up and running! 30 PSI maximum inflation. Only inflate with manual pump to avoid overfilling. Not for road/highway use.