Strong and Durable - 6 with Window Is Made of 350Gsm Paperboard.Has Sufficient and Durability,Will Not Be Scattered During Use,Provides Better Support and Storage for All Your Delicious Desserts. . Cake Boxes with Window - There Is A Transparent Window On The top of Each ,Can Show off Your Cupcakes Inside without Exposing to The Air and The Paper Insert Is Great In Keeping Them Secure from Moving Around.Will Not Destroy The Integrity of The Cupcakes. . Foldable Storage - We Know Your Kitchen Space Is Very Valuable, Our Cake Boxes with Window Can Be Folded Flat for Easy Storage and C An Be Recycled After Each Use for Next Use. . Easy to Assemble & Use - These 6 Hole Easily and Securely Hold and Present Your Cupcakes. You Just Need to Follow The Operation In The Picture to Complete It Easily.Remember to Pre-Bend The Insert Flaps In Each Individual Hole Before Placing Cupcakes Inside So That Your Cupcakes Can Be Displayed Properly. .