Tire Pressure Monitor Valve Stem Cap Tyre Sensor Indicator 3 Color Eye Alert 8PCS 尺寸:4PCS We recommend that the gel

We recommend that the gel balls should be soaked in water for 3-4

Great gift for children

Material: Barguzinsky Fir Float

feature 7: rocket launchers

Tire Pressure Monitor Valve Stem Cap Tyre Sensor Indicator 3 Color Eye Alert 8PCS 尺寸:4PCS We recommend that the gelProduct Description: 1. Material of car tire pressure indicator caps: Chromed Metal+PC; Size: 1cmX2. 5cm; Visually alerts you when the tire pressure is low. 2. Car tire pressure monitor valve caps help to avoid premature tire wear or blowouts from under inflated tires,increases fuel efficiency, safety and control, extends tire life. 3. Green yellow red system indicate level of proper tire inflation. According the recognize color to display the