NEEWER 4 Pack Camera Lens Bag - Black Lens The wheel locks stop the

The wheel locks stop the wheels from swiveling as well as turning

Aluminum-Alloy

The sandbag comes in an empty condition

Recycle time 3 second (with 4 pcs AA alkaline cell)

NEEWER 4 Pack Camera Lens Bag - Black Lens The wheel locks stop theSpecifications Material: Neoprene Dimensions: 3" x 4" (Small Lens Case), 3. 5" x 5. 5" (Medium Lens Case), 3. 5" x 6. 7" (Large Lens Case), 3. 5" x 9. 5" (Extra Large Lens Case) Package Contents 1 x Small Lens Case 1 x Medium Lens Case 1 x Large Lens Case 1 x Extra Large Lens Case Note: The package only includes 4 cases; camera lenses are not included. Thick neoprene cases protect your lens from moisture, sand, dust, dirt, and accidental scratches.