Best Index Cards of 2025

"This product is fantastic! I found the Amazon Basics Heavy Weight Ruled Lined Index Cards to be easy to use and perfect for my kindergartner’s sight words. The thick card stock and bright white color make them a great choice for studying!"

"When I opened the package, I felt like I had discovered a treasure! These index cards are not just ordinary—they are heavyweight champions of productivity. The crisp white surface and no bleed-through make them perfect for all my writing needs."

"I needed some file cards, and these are just right. They offer good quality without being too bulky in my filing box. I appreciate that they’re not flimsy but still easy to handle. Great value for what I needed!"

"I find these index cards great for quick notes. They're handy for learning languages and jotting down reminders."

"As a college student, I use these cards often. They lasted me a good month and are perfect for studying."

"I bought these for my real estate exam prep. While they are a bit flimsy, I appreciate that more fit in my holder, making them feel less wasteful."

"I found the colors amazing and the price unbeatable for the quantity I received!"

"These cards have been a game changer for my Anatomy and Physiology classes! Buying in bulk is definitely the way to go, and while the cards are a bit thinner, it's not a major issue. Just a tip: use a regular pen for diagrams!"

"I was looking for colored index cards, and these were perfect for my daughter. They're bright and vibrant, so if you're after something softer, these might not suit you. However, the quality is great!"

"I find the price and delivery speed excellent, but I did notice that the cards are a bit thin and lack lines. Regardless, they work well as flash cards for studying."

"I've been using these cards for a while now as to-do lists and reminders. I always keep a few handy; they're a great product for staying organized."

"In my experience, the quality of index cards has dropped recently, but these cards are still better than competitors. They are thicker and more solid than many others I've tried, making them worth the price."

"As someone who takes many notes, I find the Oxford Heavyweight Ruled Index Cards essential to my study routine. The heavy paper can handle various pens without bleeding or tearing, keeping my notes crisp. Their classic 3" x 5" size makes them easy to carry, and the ruled lines help me take legible notes quickly. The pack of 100 offers great value, and I appreciate that they are made in the USA. I highly recommend them for anyone needing a portable way to organize thoughts."

"I ordered these index cards for recipe notes and was impressed by their thickness and durability. There was no ink bleeding even with regular pens, and I had no issues using highlighters. Although I wish they were double-sided lined, they were easy to work with. Though they are more expensive than standard cards, the quality justifies the price. I would definitely order again."

"After running out of index cards elsewhere, I decided to try these. To my surprise, they are super thick and well-lined, far superior to what I had before! Plus, the price was right. I can't recommend them enough and will be ordering them from now on!"

"I bought these cards to write notes for myself at the office, and they work perfectly for that purpose!"

"I appreciate the quality of these 3x5 cards, especially for recipes. The quantity I received for the price is unbeatable!"

"My son found these ruled cards to be very handy for his project bullet points. The texture is great, and they write well!"

"I'm back in school, and these cards are great quality and value. Their thickness and size are just fine for my needs, especially for flashcards since I go through so many in a week that I keep ordering more."

"I've been really impressed with these index cards! The quality is excellent—they're sturdy and perfect for jotting down notes. The size is just right for staying organized."

"These cards are useful, handy, and cheap. I use them for lists, while my husband writes down his workout plans. I've bought index cards from office supply stores before, but these are so convenient that we'll keep purchasing them here."

"I found these cards to be perfect for my needs. I required 4x6 blank cards on both sides for sending letters, and these are the best priced I’ve seen. I’ll definitely be buying again!"

"I’m really pleased with how these cards work with my Epson printer. The only thing I wish is that they were a little thicker so my thank you cards wouldn’t feel so cheap."

"These index cards were delivered faster than I expected! I opened the package to find a box of cards that looked like they were crafted by index card gods. The quality is top-notch – they’re sturdy and have a smooth surface. If you need index cards that are quick to arrive and high in quality, these are definitely the way to go!"

"These cards are high quality and the colors are accurate."

"I found these flash cards to be exactly what I needed! They are made from sturdy card stock, and I love that each color comes in its own package. Great value for the quality and the size is just as described."

"I was pleasantly surprised that these cards are as thick as normal index cards and the colors are fun. I also appreciate that they are ruled on both sides."

"I absolutely adore the cheery colors, and I found this to be the best price available. The quality is fantastic, and I won't be using anything else."

"I was looking to get organized, so I ordered some index cards for my home projects. I'm really pleased with the quality and size of these cards. The colors are bright and cheerful, making them perfect for jotting down recipes."

"I've been using these index cards for years and still like them. Although they seem a bit thinner now, the good colors and suitability for indexing make them work for me."