Material & Structure: Solid hardwood inset door frames and face frames with premium plywood center panels for a seamless flush fit. 1/2" plywood cabinet boxes (sides, tops, bottoms included) ensure exceptional durability and structural stability. 3/4" thick plywood shelves come standard in all inset cabinets, supporting heavy kitchen essentials. 5/8" hardwood dovetail drawer boxes with 1/2" drawer bottoms are standard on most units, built for long-term use. Color & Eco-Friendly: Cabinet boxes and shelves feature match-stained finishes for visual consistency. Natural UV-coated interior for Origami White, Inset Natural Wood, and Pebble Gray variants Full finished interior for Charcoal Black Inset and Inset Gray styles High-quality accessories: DTC 6-way adjustable soft-close undermount drawer glides, tailored for inset cabinet alignment. Fully adjustable DTC soft-close door hinges, ensuring perfect flush alignment of inset doors. Full-extension hardware standard on all cabinets, enabling drawers to open fully for easy access to stored items. Notes:Most of the cabinets in the Glass Door series come with finished interiors.