strong enough to hold more than 250 lbs with almost 7' span

Photo (above) features sing sandwich panel only (no wood edge)
for extremely lightweight (less than 1 lb per sq ft) yet extremely
strong. Skin is .020 inch Luan

Birch plywood .020 inch on both sides total thickness
1.5 inch nearly 8 foot span, 16″ wide almost zero deflection
Sing Panel w/1.5 inch solid wood on both outside edges

The strongest lightweight drawer in the world
weight 15 pounds can hold two men 600 lbs
with almost zero deflection. The measurement
of the drawer is 44″ wide 9.5 inch height, 20 inch deep
and the whole drawer can be disassembled in minutes.