Giggles and Glue Guns

DIY Japanese Decoden Inspired Phone Covers

This is such a fun DIY project! Kawaii means ‘cute’ in Japanese and Decoden is the art of making objects into tasty-looking, frosted art, embellished with cute or pretty elements. I interpreted the art of Decoden in my own way by using spikes on one phone case – and in a more traditional way on another – by using plastic decoden decorations from Etsy!

What You Need:

  • Silicone caulk (I recommend getting the 100% silicone – I originally used one with latex and acrylic, which worked fine but the 100% silicone is an easier consistency to apply)
  • A phone case you done mind covering with frosting (we got a pack of 4 clear iPhone cases for $5 from EBay)
  • Doo dads for your decorations! Just search “decoden” on Etsy and it turns up a ton of Kawaii cute things to use as decorations. Other options are: jewels, rhinestones, spikes (I got my spikes from
  • Utensil like the butt of a pencil
  • Optional: frosting tips to put on the nozzle of the silicone tube to create frosting-like designs
  • Pliers or tweezers


Watch the video above for the full step by step.

  1. In a well ventilated area, frost the back of your phone cover with the silicone. You may use a frosting tip or just use a pencil to make swirls. Layer it on thick!
  2. Place your decorations in the toxic frosting. Note: plan your layout first before you place because it gets messy if you try to move anything once it’s in the frosting.
  3. Let it dry for 2 to 4 hours. Since it’s silicone, it will never dry chalky hard, it will stay a little mushy, which feels really cool, kind of like rubber. It’s also not that heavy!
  4. Wash your hands and call Effie to tell her what you made!

Photos and video via

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