We recommend that you use BH 7297701 lubricant to ensure that the running belt is kept in good condition and has a long life span. Please contact us if you need further assistance or have any question related to the assembly or maintenance of your new running belt. Technical featuresMaterial: PVC projected onto polyester fabric (PET), double fabric, antistaticLength: 3350mmWidth: 550mmThickness: 3mmRunning surface: 550 x 1665mmWelding: heat and pressureHigh resistance to deformation.