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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  • Tropical phone case in cream with bold flat-art illustration of a leopard, toucan, crocodile, hibiscus flower, and green palm and monstera leaves with golden banana accents — snap case, front view

    Tropical

    225.00 kr

    Tropical

    225.00 kr
  • Sunset phone case with a smooth red to orange gradient, part of the Memories of Summer collection — snap case, front view

    Sunset

    225.00 kr

    Sunset

    225.00 kr
  • Sunrise phone case with a smooth gradient from deep purple through coral red to warm orange, part of the Memories of Summer collection, phone case by Caselier — snap case, front view

    Sunrise

    225.00 kr

    Sunrise

    225.00 kr
  • Sunkissed phone case in black and white with repeating tribal spiral sun pattern on a crisp white background, phone case by Caselier — snap case, front view

    Sunkissed

    225.00 kr

    Sunkissed

    225.00 kr
  • Summer Vibes phone case with multicolor pastel line-art doodles of beach icons including bikini, palm tree, sailboat and cherries on a cream background, phone case by Caselier — snap case, front view

    Summer Vibes

    225.00 kr

    Summer Vibes

    225.00 kr
  • Summer Time phone case in deep navy blue with cream tropical cutout silhouettes including palm trees, starfish, waves and a fish, phone case by Caselier — snap case, front view

    Summer Time

    225.00 kr

    Summer Time

    225.00 kr
  • Coquillages coral pink phone case featuring an all-over tonal line-art pattern of seashells, conch spirals, starfish and scallops, by Caselier — snap case, front view

    Coquillages

    225.00 kr

    Coquillages

    225.00 kr
  • Starfish phone case with bold coral starfish pattern on a soft peach background, part of the Memories of Summer collection, phone case by Caselier — snap case, front view

    Starfish

    225.00 kr

    Starfish

    225.00 kr
  • Mint blue phone case with white line-art scallop shells scattered in an all-over pattern, front view, phone case by Caselier — snap case, front view

    Shells

    225.00 kr

    Shells

    225.00 kr
  • Lemons phone case with a cream background featuring golden whole lemons, lemon slices, and sage green leaves in a repeat pattern, phone case by Caselier — snap case, front view

    Lemons

    225.00 kr

    Lemons

    225.00 kr
  • Half-Sun phone case in navy blue and white checkerboard pattern with repeating jagged sun motifs, phone case by Caselier — snap case, front view

    Half-sun

    225.00 kr

    Half-sun

    225.00 kr
  • Playful Fishies phone case featuring two white koi fish in line-art style on a deep navy Japanese seigaiha wave pattern, phone case by Caselier — snap case, front view

    Playful fishies

    225.00 kr

    Playful fishies

    225.00 kr
  • Daisies phone case with soft yellow gingham pattern and scattered white daisy illustrations with golden centres, primary product shot, phone case by Caselier — snap case, front view | Caselier

    Daisies

    225.00 kr

    Daisies

    225.00 kr
  • Coral Reef phone case in red and bubblegum pink with an all-over branching coral abstract pattern, phone case by Caselier — snap case, front view

    Coral Reef

    225.00 kr

    Coral Reef

    225.00 kr
  • Spooky Joker phone case in blush pink showing a cartoon cat with a brown paper bag over its head styled as a joker playing card, phone case by Caselier — snap case, front view

    Spooky Joker

    225.00 kr

    Spooky Joker

    225.00 kr
  • Queen of Spades phone case in blush pink with a cute kitten carrying a black cat and paw print playing card details, phone case by Caselier — snap case, front view

    Queen of Spades

    225.00 kr

    Queen of Spades

    225.00 kr
  • Queen of Hearts phone case in blush pink featuring a crowned cat in a crimson heart-print gown styled as a playing card, with paw print suit symbols, phone case by Caselier — snap case, front view

    Queen of Hearts

    225.00 kr

    Queen of Hearts

    225.00 kr
  • King of Diamonds phone case in blush pink from the Paw Decks collection, featuring a crowned fluffy dog in a deep red royal cape styled as a playing card, phone case by Caselier — snap case, front view

    King of Diamonds

    225.00 kr

    King of Diamonds

    225.00 kr
  • Lord of Jokers phone case in blush pink featuring an illustrated cat dressed as a joker in a crimson heart-patterned robe and black jester hat, holding a heart staff, styled as a playing card with JOKER lettered vertically in dark red, front view, phone case by Caselier — snap case, front view

    Lord of Jokers

    225.00 kr

    Lord of Jokers

    225.00 kr
  • Jack of Diamonds Paw Decks phone case in blush pink with a kawaii cowboy cat illustration and crimson paw-print diamond suit markers, phone case by Caselier — snap case, front view

    Jack of Diamonds

    225.00 kr

    Jack of Diamonds

    225.00 kr
  • Jack of Clubs playing card phone case in blush pink with a cute cream kitten sitting on a black laptop and paw print club symbols at the corners, phone case by Caselier — snap case, front view

    Jack of Clubs

    225.00 kr

    Jack of Clubs

    225.00 kr
  • Ace of Spades phone case in blush pink from the Paw Decks collection, featuring a kawaii cream cat holding a fishing rod with a spade-shaped lure and paw print corner markers, phone case by Caselier — snap case, front view

    Ace of Spades

    225.00 kr

    Ace of Spades

    225.00 kr
  • Ace of Hearts phone case in blush pink with a hugging black and white cat duo and crimson paw-print suit symbols, phone case by Caselier — snap case, front view

    Ace of Hearts

    225.00 kr

    Ace of Hearts

    225.00 kr
  • Ace of Diamonds phone case in blush pink with a kawaii cream cat wearing a crimson hood and green bow tie, Ace and paw-print diamond suit symbols at each corner, from the Paw Decks collection — snap case, front view

    Ace of Diamonds

    225.00 kr

    Ace of Diamonds

    225.00 kr