Today we're going to take a look at the Slime Self Sealing Bicycle Tube for 20" kid and BMX tires with the schrader valve design. This Slime Self Sealing Tube will come pre-installed with the Slime Tube Sealant inside the tube, and this is to seal tread area punctures and prevent any flat tires. This tube will install just like a regular tube. Basically what happens is with the Slime Sealant in… see more >