Exclusively designed for Garmin Varia RTL515, Fit well with Garmin RTL515 varia mount, Lightweight: 0.27 ounces | Tie the cable with this case and fix the cable under your seat post, protect your Garmin RTL515 from Falling/ Damage/ Lost during riding. | NO effect to use any Garmin Varia RTL515 Mount / Holder, No effect for your Garmin Radar 515 signal when riding. | light weight, heat dissipation, Protect your RTL515, Durable plastic, one more secure cover for your Garmin Radar 515, peace of Mind when riding. | You get: 1* Case for Garmin Varia Radar RTL515, 1* Elastic Cable, Lightweight: cover only 0.27 ounces