Product Contents: You will get 30 sheets of cyanotype papers in 3 sizes: A4, A5, and A6, each size 10 sheets, and 3 pieces of matching acrylic panels. A sufficient quantity and rich sizes can meet your needs. Reliable Material: The sun print paper is made of premium paper, durable, washable, and hard to break. Its imaging results including uniformity and clarity have good effects and can serve you for a long time. Product Size: A4 solar paper is about 29.7x21cm/11.69x8.27inch; A5 solar paper is about 21x14.8cm/8.27x5.83inch; and A6 solar paper is about 14.8x10.5cm/5.83x4.13inch. Easy to store and save space. Easy to Use: Put leaves or other items on the cyanotype paper, then press it down with the equipped acrylic panel. Expose it to the sun for about 10-15 minutes. lightly rinse the cyanotype paper under the faucet. Hang the washed cyanotype paper to dry naturally. DIY Fun: The sun print process is easy and interesting, which can develop kids' imagination, creativity, and hands-on ability and cultivate their interest in scientific experiments. Also a great activity for adults, they can enjoy a fun time with kids. Colour: Random Color, don't accept the specified color Material:Paper Package Contents: 10 sheets x A4 sun paper 10 sheets x A5 sun paper 10 sheets x A6 sun paper 3 pieces x matching acrylic panel