Hydration on the go made easy using the Easy Tag Bottle Holder from Pro-Spec . Designed to accommodate 750 – 1000 Milliliter bottles onto your Crash guards. ET 470 has an expandable design to hold various sizes of bottles .It is manufactured using Poly Amide Glass fiber results in supreme surface finish and load bearing capacity. This version is specifically designed to be attached as a bolt on to the Pro-Spec easy tag base mounts.