Features: Qualification materials: made of qualified eco-friendly hard paper, wear resistance, durable for long for time use. DIY blank design: with blank DIY design and heat transfer printing function to leave you print your own selfies and stimulate interests to diy your own photo frame as house decorations. Brain development: to improve the ability of problem solving & improve the concentrations which is good to brain development. Pressure reducing game: put yourself into the puzzle game and enjoy a relaxing for time with the puzzle which is a pressure reducing tool for white collar & students as also best communication for family Best choice for decoration gift: suitable for nursery walls, home walls or school, cinema, shopping mall & various kinds of decorations, which also bring DIY experience funny to release your stress. Specifications: Size & Net Weight: approx. Rectangle A3 Size (38 x 26 for cm/ 14.96 x 10.23 inches, 760g/1.67lbs, 200pieces/sheet) Rectangle A3 Size (38 x 26 for cm/ 14.96 x 10.23 inches, 710g/1.56lbs, 300pieces/sheet) Rectangle A4 Size (29 x 20 for cm/ 11.41 x 7.87 inches, 412g/0.91lbs, 40pieces/sheet) Rectangle A4 Size (29 x 20 for cm/ 11.41 x 7.87 inches, 420g/0.92lbs, 120pieces/sheet) Rectangle A4 Size with Heart Shape Pieces(29 x 20 for cm/11.41 x 7.87 inches, 420g/0.92lbs, 72pieces/sheet) Rectangle A5 Size (20 x 15 for cm/ 7.87 x 5.90 inches, 210g/0.46lbs, 80pieces/sheet) Rectangle A6 Size (15 x 10 for cm/ 5.90 x 3.93 inches, 119g/0.26lbs, 150pieces/sheet) Rectangle A6 Size (15 x 10 for cm/ 5.90 x 3.93 inches, 117g/0.26lbs, 35pieces/sheet) Circle Shape (20 x 20 for cm/ 7.87 x 7.87 inches, 242g/0.53lbs, 42pieces/sheet) Heart Shape (23.5 x 19.5 for cm/ 9.25 x 7.67 inches, 298g/0.66lbs, 52pieces/sheet) Material: Paper Color: Blank Package Includes: 1Pack(5sheets) DIY Blank Puzzle Rectangle A3 Size (200pieces/sheet)/ 1Pack(5sheets) DIY Blank Puzzle Rectangle A3 Size (300pieces/sheet)/ 1Pack(5sheets) DIY Blank Puzzle Rectangle A4 Size (40pieces/sheet)/ 1Pack(5sheets) DIY Blank Puzzle Rectangle A4 Size (120pieces/sheet)/ 1Pack(5sheets) DIY Blank Puzzle Rectangle A4 Size with Heart Shape Pieces(72pieces/sheet)/ 1Pack(5sheets) DIY Blank Puzzle Rectangle A5 Size (80pieces/sheet) / 1Pack(5sheets) DIY Blank Puzzle Rectangle A6 Size (150pieces/sheet) / 1Pack(5sheets) DIY Blank Puzzle Rectangle A6 Size (35pieces/sheet)/ 1Pack(5sheets) DIY Blank Puzzle Circle Shape (42pieces/sheet)/ 1Pack(5sheets) DIY Blank Puzzle Heart Shape (52pieces/sheet) note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.