Studio Boom Light Stand Sand Bag Saddle Bag Light Weight , Versatile and Compact - Net Weight: 8 Oz. - Size: 6 x 6.5 inch Strong and Durable by Double Layer - Self Stand Alone Bag - Strengthened by PVC Pad inside - Can be filled, emptied, and refilled as many as you wish Convenient Pre-measured Weight Gradation - Measured by Sand Simply hook it to a light boom arm Disclosure: Part(s) and/or design is subject to change without notice for better performance.