Sugru is the new self-setting rubber for fixing, modifying and making stuff.

Hand formable

Hand formable

Sugru can be formed and shaped by hand for up to 30 minutes once it has been removed from its packaging.


Sticks to almost anything

Sugru forms a strong bond to metal, ceramics, glass, wood and some plastics like perspex and ABS and rubbers like silicone and butyl rubber.

Air cures

Air cures at room temperature

Sugru is like modelling clay when you take it from its pack. Once it's exposed to air, it cures to a tough flexible silicone overnight using the moisture in the air.

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How to make bouncy sugru bumpers for your phone!

Stop your precious phone getting scratched, chipped and cracked with these super simple sugru bumpers!

sugru is great for this because:

- it is hard wearing and durable

- it's bouncy!

- it bonds really well to your phone

Kit list

  • 1 minipack of sugru
  • Your glossy phone
  • Tissue/toilet paper
  • Scissors
  • A glass or jar

Step 1

Look at this video we made to show you the benefits of using sugru bumpers on your phone!

Step 2


First off, give your phone a good wipe with toilet/tissue paper. Sugru bonds really well if all is well and clean!

Step 3


Cut open your minipack of sugru, knead it in your fingers for 30 seconds and tear the sugru into 4 smaller pieces. 

Next roll the small pieces into small sausage shapes.

Press the sausages onto each corner (be careful not to cover the buttons, speakers or camera lens)

Then fold the sugru over onto the glass on the front and back of the phone.

Step 4


4 pieces of sugru on 4 corners...

Step 5


Once the sugru is in place, get the shape right - gently touch the sugru repeatedly to tweak the shape, don't panic, you have plenty of time.

Rub your finger gently over the sugru to give it a smooth finish!

Step 6


When you're happy, leave the sugru to cure overnight - place it on a jar or glass so that the sugru doesn't touch any other surfaces!

Step 7


The next morning and your sugru has cured to a lovely silicone rubber! Woohoo!

Top Tip: If you for some strange reason want to take your sugru bumpers off, you can do very easily - Carefully tear the sugru off your phone. There will be some residue left, but simply scrape it off with your fingernail and wipe it clean with a cloth.