<b>Specification</b><br>Material: Isobutylene Isoprene Rubber<br>Measurement: 12.5” x 2.25” (12-1/2 x 2-1/4) <br>Feature: Inflatable<br>Valve: TR87 Bent Vale Stem<br>Package Including: 2 PCS Inner Tubes<br>LotFancy inner tube is made of isobutylene isoprene rubber, better than natural rubber in air tightness, elastic damping and aging resistance. <br>12.5 x 2.25 Inner Tube will fit 12.5x2.25 or 57-203/62-203, 12.5x2.50, and 12.5x2.75 tires. <br>This size is also sometimes referred to as 12-1/2x1.75x2-1/4. <br><br><b>Compatible models as following: </b><br><br> Razor Pocket Mod<br>Bella<br>Betty<br>Bistro<br>Blossom<br>Chrissy<br>Daisy<br>Hannah Montana<br>Kiki<br>Sweet Pea<br>VaporAnd many gas and electric scooters.