https://www.target.com/p/6qt-clear-storage-box-white-room-essentials-8482/-/A-80162146

6qt Clear Storage Box White - Room Essentials™<br /> Outside Dimensions: 13 1/2" x 8 1/8" x 4 5/8"<br /> Interior Dimensions at bottom: 11 1/2" x 6 3/8" x 4 3/8"<br /> Ideal for a variety of basic and lightweight storage needs, for use throughout the home<br /> Opaque lid snaps firmly onto the base and provides a grip for easy lifting<br /> Clear base allows contents to easily be viewed and located<br /> Indexed lids allow same size storage boxes to neatly stack upon each other<br /> BPA-free and phthalate-free<br /> Proudly made in the USA

Specifications<br /> Closure Type: Snap<br /> Used For: Organizing<br /> Capacity (Volume): 6 Quart<br /> Features: Portable, Lidded, Nesting, Stackable<br /> Assembly Details: No Assembly Required<br /> Primary item stored: Universal Storage<br /> Material: Plastic<br /> Care & Cleaning: Spot or Wipe Clean<br /> TCIN: 80162146<br /> UPC: 073149215284<br /> Item Number (DPCI): 002-02-9534<br /> Origin: Made in the USA<br /> Description<br /> Organize, sort and contain! The Room Essentials 6 Quart Storage Box is ideal for a variety of basic and lightweight household storage needs, helping to keep your living spaces neat. The clear base allows contents to be easily identified at a glance, while the opaque lid snaps firmly onto the base to keep contents contained and secure. Stack same size containers on top of each other for efficient use of vertical storage space. When storing items away, use good judgment and don’t overload them or stack them too high; be mindful of the weight in each box and place the heaviest box on the bottom. This storage box is ideal for sorting and storing shoes, accessories, crafts and other small items around the home and fits conveniently on 16" wire closet shelving, bringing order to closets. The overall assembled dimensions of this item are 13 1/2" L x 8 1/8" W x 4 5/8" H.

Examples of this and similar products in use as a box for zettelkasten: - https://photos.google.com/share/AF1QipN5GmVoIhCwma1czj27bXlVDKIUfbOU3a91dYuPBNZaGsEhcZYllmotxup6OxUHhA?pli=1&key=RlhXMTM0WUpuQ2hlQkdDNzA0S1BmNzVQblo4Ti1n - https://imgur.com/a/rW8TZKt