Best choice for bedroom, bathroom, or closet - warm look and bright colours, high-quality materials, and soft opening. The door is made of solid pine wood. Thickness of the glass - 1/4", frosted opaque glass. Thickness of the door - 1 3/5". The door is not pre-drilled for the hardware. Assembly of frames and trims required. The door works with all swing directions. The rough opening can be calculated: “door width” + 2 1/2”; “door height” + 2”. Set includes door slab; - trims (2.95” wide); - frames (for wall thickness from 4” to 5 1/2”); - passage lever/knob; - non-mortise hinges; no formaldehyde environmentally friendly using only latest eco-friendly materials. The company requires the safest materials. We take care of your family. Sealing gum German company Deventer - has a special profile that allows you to protect your home from dust, and makes a cozy and quiet atmosphere around every day. On another side it allows you to save 35 % more heat and save up to 20% on the bill. The sound attenuation door's 1 3/5” thick solid composite wood construction yields a 30% noise reduction over standard doors. The construction door is manufactured from a single piece of composite wood and will give several generations of normal usage with minimal care.