White Mountain Puzzles - Classic Lunch Boxes - 1,000 Piece Jigsaw Puzzle A collection of vintage lunch boxes assembled by Lois Sutton. Artist Lois B. Sutton is the creator of collage-like puzzles that are full of detail, bright colors, and often vintage themed. Every White Mountain Puzzle is proudly manufactured in America with a 100% customer satisfaction guarantee. All our puzzles contain unique interlocking pieces that are made of sturdy blue chipboard on recycled paper. 1000 piece puzzles measure 24x30 - larger pieces for easy handling