DEBRADALE DESIGNS - Small Blank Study Flash Cards - 3.5 x 2 Inches - White - Flash Card Box of 1,000 - Extra Heavy 140# Index Card Stock - 253 GSM - Made in USA #140 index cardstock means less ink pen bleed through on a smooth finish blank flash card. This product also available in other lighter weights. The larger 2 x 3.5 size allows more information to be recorded on the blank index flash cards. Sturdy storage box with lid lets you keep your index flash cards clean and organized. Great for taking them with you on the go. Entire product made in the USA including index cardstock and dispenser box. Using flash cards improves your memorization skills and test scores!