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    Thumbnail 1 of 4, Zipper Pouch, The Basel Problem designed and sold by Bellassi.
    Thumbnail 2 of 4, Zipper Pouch, The Basel Problem designed and sold by Bellassi.
    Thumbnail 3 of 4, Zipper Pouch, The Basel Problem designed and sold by Bellassi.
    Thumbnail 4 of 4, Zipper Pouch, The Basel Problem designed and sold by Bellassi.
    Zipper Pouch, The Basel Problem designed and sold by Bellassi

    The Basel Problem Zipper Pouch

    Designed and sold by Bellassi
    $14.69
    $12.49 when you buy any 2+
    $12.49 when you buy any 2+
    Size
    $14.69

    Product features

    • Your rugged little personal valet: carry your makeup, pencils, phone, cards, anything
    • Available in three sizes: check the size chart to find the right one for you
    • Durable 100% polyester canvas with a metal zipper. Fully lined for added strength
    • Vibrant, high-quality double-sided design, printed for you when you order
    • Cold machine wash and low tumble dry
    • Since every item is made just for you by your local third-party fulfiller, there may be slight variances in the product received
    Artwork thumbnail, The Basel Problem by Bellassi
    The Basel Problem
    bold tribute to pure mathematical beauty — this glowing design showcases Euler’s famous solution to the Basel Problem: ∑(1/n²) = π²/6. Rendered in electrifying neon turquoise, purple, and gold, the equation radiates energy as mathematical symbols orbit around it like sparks of logic. It’s chaotic, intense, and deeply satisfying — just like real mathematics. Perfect for math lovers, physicists, and anyone who finds elegance in infinity. A piece that speaks the universal language of numbers — loud, bright, and brilliant.

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