Samsung Galaxy S21 5G Phone Cases

The S21 5G was the point where Samsung's flagship line got sharper, leaner, and more confident — a phone that didn't need to shout. That same restrained confidence is a decent brief for a case, which is why Caselier's catalogue of 100+ designs works so well here. Browse gallery-style prints and classic art, clean minimalist and pattern styles, bold and edgy illustration, or upload your own photo for an AI-upscaled custom case. Available as a Snap Case, Tough Case, or Wallet Case.

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  • A phone case featuring an artistic illustration of a woman with a black snake patterned with gold spots coiled around her, set against a light pink and white marble background.

    Custom Phone Case

    226.00 kr

    Custom Phone Case

    226.00 kr
  • Woman with a Parasol by Claude Monet, showing a woman in a lavender dress holding a green parasol against a blue sky with a child in a wildflower field below — snap case, front view

    Woman with a Parasol - Claude Monet

    226.00 kr

    Woman with a Parasol - Claude Monet

    226.00 kr
  • The Sun by Edvard Munch phone case showing a radiant white sun with golden rays over a teal and green landscape, expressionist painting style, phone case by Caselier — snap case, front view

    The Sun - Edvard Munch

    226.00 kr

    The Sun - Edvard Munch

    226.00 kr
  • The Dog by Francisco de Goya phone case showing a lone dog emerging from a dark hillside against a vast golden ochre background, phone case by Caselier — snap case, front view

    The Dog - Francisco de Goya

    226.00 kr

    The Dog - Francisco de Goya

    226.00 kr
  • Pinstripes phone case in deep red and soft pink alternating vertical pinstripes on a glossy finish, phone case by Caselier - snap case, front view | Caselier

    Pinstripes

    226.00 kr

    Pinstripes

    226.00 kr
  • Yellow-Red-Blue by Wassily Kandinsky phone case featuring bold geometric shapes, cobalt blue arcs, crimson forms, and golden yellow planes with fine radiating black lines on a pale ground — snap case, front view

    Yellow-Red-Blue - Wassily Kandinsky

    226.00 kr

    Yellow-Red-Blue - Wassily Kandinsky

    226.00 kr
  • The Kiss by Gustav Klimt, showing the golden-robed embracing couple with floral and geometric Art Nouveau detail, phone case by Caselier — snap case, front view

    The Kiss - Gustav Klimt

    226.00 kr

    The Kiss - Gustav Klimt

    226.00 kr
  • Starry Night by Vincent van Gogh phone case featuring swirling cobalt blue sky, glowing yellow stars and a quiet village with church steeple, phone case by Caselier — snap case, front view

    Starry Night - Vincent van Gogh

    226.00 kr

    Starry Night - Vincent van Gogh

    226.00 kr
  • Impression, Sunrise by Claude Monet phone case showing misty teal harbour scene with red sun and lone rowboat, phone case by Caselier — snap case, front view

    Impression, Sunrise - Claude Monet

    226.00 kr

    Impression, Sunrise - Claude Monet

    226.00 kr
  • Almond Blossoms by Vincent van Gogh phone case showing white flowering branches against a teal sky, phone case by Caselier — snap case, front view

    Almond Blossoms - Vincent van Gogh

    226.00 kr

    Almond Blossoms - Vincent van Gogh

    226.00 kr
  • Lavender soft purple watercolor phone case with dreamy white cloud-like blends on an iPhone, phone case by Caselier — snap case, front view

    Lavender

    226.00 kr

    Lavender

    226.00 kr
  • Waves phone case in deep navy blue with stacked white graphic wave stripes, Memories of Summer collection, phone case by Caselier — snap case, front view

    Waves

    226.00 kr

    Waves

    226.00 kr
  • Sun phone case featuring a golden rising sun with radiating line art on a white background, Memories of Summer collection, phone case by Caselier — snap case, front view

    Sun

    226.00 kr

    Sun

    226.00 kr
  • Summer Frames phone case with hand-drawn stamp grid of summer icons in multicolor line art on a cream background, by Caselier — snap case, front view

    Summer Frames

    226.00 kr

    Summer Frames

    226.00 kr
  • James Mc'Cool phone case featuring a chubby cartoon seagull wearing black sunglasses on a soft cream background, phone case by Caselier — snap case, front view

    James Mc'Cool

    226.00 kr

    James Mc'Cool

    226.00 kr
  • Beach Towel phone case in periwinkle blue and white wavy vertical stripes on iPhone, phone case by Caselier — snap case, front view

    Beach Towel

    226.00 kr

    Beach Towel

    226.00 kr
  • Beach phone case featuring layered blue waves graduating to a sandy beige shore with two miniature striped beach umbrellas, from the Memories of Summer collection, phone case by Caselier — snap case, front view

    Beach

    226.00 kr

    Beach

    226.00 kr
  • Solid mauve-pink purple phone case in a soft, warm rose-purple tone, phone case by Caselier — snap case, front view

    Purple Phone Case

    226.00 kr

    Purple Phone Case

    226.00 kr
  • Vivid cobalt blue solid-color phone case with smooth matte finish, front view, phone case by Caselier — snap case, front view

    Blue Phone Case

    226.00 kr

    Blue Phone Case

    226.00 kr
  • Lando Norris phone case with neon yellow-green and black abstract swirl pattern covering the full case, glossy finish, phone case by Caselier - snap case, front view | Caselier

    Lando Norris

    226.00 kr

    Lando Norris

    226.00 kr
  • Spikey phone case with a smiling cartoon hedgehog in brown and peach tones on a warm mauve-brown background, by Caselier — snap case, front view

    Spikey

    226.00 kr

    Spikey

    226.00 kr
  • Bunnie-Boo phone case in soft pink featuring a kawaii cream bunny with pink headphones and a bow against a sparkly rose sky with hearts, phone case by Caselier — snap case, front view

    Bunnie-Boo

    226.00 kr

    Bunnie-Boo

    226.00 kr
  • Polka dot phone case with soft sky blue background and evenly spaced deep burgundy red dots in a classic retro pattern, phone case by Caselier - snap case, front view | Caselier

    Polka Dots

    226.00 kr

    Polka Dots

    226.00 kr
  • Gingham plaid check pattern in soft blush pink and deep burgundy, evenly spaced grid design on a glossy phone case by Caselier - snap case, front view | Caselier

    Gingham Plaid

    226.00 kr

    Gingham Plaid

    226.00 kr