Swonvi 2 Packs Wall Mounting Acrylic Floating Light Shelf Brackets for LED Liquor Bottle Shelf (2 Packs) Heavy duty, clear, flame polished poly-carbonate bracket Recommended 1 Bracket per foot for maximum support, thickness 0.27 inch. size: 2.7 * 2.7 inch Designed for use with LED Lighted Liquor Bottle Display Shelves Mounting Anchors included (drywall), Acrylic Floating Light Shelf brackets - they blend into the background! Any questions pls free to contact us, we will help you on 24 hours, pls dont give feedback directly, we can return money to you and help you deal with any problem, thank you.