Main materials, used are wood, mesh wire, canvas, plaster strips, and epoxy resin. All custom made and built by me and all inner worlds in tabletop are created by hand as well. Remote controlled lighting on inside of top portion with 3 different levels for brightness adjustment. 3 prong plug with an open back compartment with an additional outlet and USB plug. Weight is about 60 pounds. Can hold up to 16 books comfortably between both compartments (Depending on sizes of the books). To clean piece, recommend a feather duster or use paper towel and wood cleaner. Spray cleaner directly onto paper towel not the piece and wipe in direction of wood grain. (Some stain may appear on paper towel.) This item does have a few sharp edges and may not be suitable for household with children 13 years or younger. Handmade Piece.