Utility Zipper Bags for Cash, Receipts, Paperwork, Cards, 4-Size Bags (Gray);

Question:  Is this set of 4 different sizes bags? What's the seperate size?
Answer:   Yes, it will come to you with 4 diffent-size bags, Inner side size A4, B5, A5, B6.
A4: 340mm*240mm¡ê? B5: 300mm*215mm, A5: 250mm*180mm¡ê? B6:230mm*115mm, there are 10mm lomg between inner and outside as the inner stitches.

Question:  Could one of these store phones, iPods, iPad etc? Has it got a soft interior?
Answer:  Yes¡ê?B6 the smallest size can hold iPhone7 plus, A4 the biggest size can carry iPad Pro 12.9"", interior are made of smooth water proof ploy colth and no sharp corner scrape your screen of electronics.

Question:  What's the materials of the bags?
Answer:  The outside are made from premium grade ballistic nylon which is anti-friction material,and interior are made of smooth water proof ploy cloth which can avoid.

Question:  They can be washed by water?
Answer:  Yes, it can be washed by water with soft brush, the color of grey and dark blue are resistant to dirt.