**Flexible Compact Convex Mounting Ring - 1 1/8" Opening, 3 3/4" x 3 1/8" - Green Neoprene Rubber for Secure Camera, Sensor & Equipment Mounting** *(优化说明：关键词前置，尺寸清晰，材质明确，增加使用场景如相机、传感器和设备安装。)*

Flexible Oval Convex Mounting Ring - 1 1/8" Opening, 3 3/4" x 2 3/4" - Durable Green Neoprene Rubber Gasket for Marine, Automotive & Industrial Applications