This Auction Is for a Huge 6 inch x 6 inch (15cm x 15cm) Square Of Our Amazing Transparent Sun Catching Film! Turn Any Room That Receives Sunlight Into A Room Full Of Giant Rainbows! Q: How Does It Work? A: As Sunlight Hits The Film - It Is Split Using 25,400 Microscopic Lines Per Inch Which Then Pass Through Projecting A Full Rainbow Of Colours Onto Walls And Surfaces. Q: What Do I Need To Do? A: Not Much! Simply Stick Onto A Window That Receives Direct Sunlight (Using A Bit Of Normal Sticky Tape) And On A Sunny Day Watch The Room Fill Full Of Bright Vibrant Rainbows!  Rainbows Will Move Around The Room As The Sun Moves.  Q: Is It Delicate? A: No, Its Very Tough, But As Thin And Flexible As Paper, It Wont Obstruct The View Or Normal Light Filling The Room, Great For Kids Rooms, Conservatories, Sensory/Chill Out Rooms Or Anywhere That Needs Brightening Up! Q: Can i Touch It? A: Its Best To Wear Gloves When Handling To Avoid Finger Prints, This Diffraction Grating Sheet Has 1000s Of Microscopic Lines On The Surface And The Oil In Your Skin Will Fill Those Lines Damaging It Q: Why Do Some Sheets Have Marks Or Crinkles? A: Its All To Do With How Close To The End Of The Roll The Sheet Is Cut From, A Small Minority May Have Some Impression Marks From The Roll Or Join Lines, But It Wont Effect How These Sheets Work. PLEASE CHECK OUT OUR OTHER TYPE OF SUN-CATCHER AND OTHER LIGHT PRODUCING PRODUCTS! Postage Is 2nd Class To Any UK Address, International Postage Available Too, Multiple Buys Will Be Sent Tracked And Recorded. Any Questions Please Ask Any Time!