Each envelope is made of pliable, yet sturdy plastic, features a two button strong tie closure and is index card-sized. Use them to store those note cards for that upcoming exam. Use them at work or at home for any note card or small document storage purposes. Take advantage of this multicolor set by color-coding your notes or documents for better organization! Don't let your smaller notes or papers get lost in the mess. Get them in order and make them easy to find with this set of colorful envelopes!Details:Includes an assortment of colors5.5" x 7.5" each24 envelopesPlasticIndex card-sizedContents:6 blue envelopes6 teal envelopes6 clear envelopes6 yellow envelopes