Slime Lite Smart Tube
The lightest self-healing tubes on the planet instantly seal punctures up to 1/8" (3mm). Slime Lite Tubes combine a lightweight butyl tube with revolutionary sealant technology to provide flat protection without adding significant weight. Go Lite!700c
This tube is really bad, to start with the presta valve will last about a half a dozen uses than it's shot; secondly, the slime crud won't seal above 75psi thus ineffective in a road bike; and thirdly, the tube itself is not well made.