Aluminum Insert Tool for Sublimation Sippy Cups
This vital tool keeps the plastic on sublimation sippy cups from folding in slightly during the heating process and MUST be used when pressing sippy cups (not sold through Coastal). Simply place the insert inside of the item before pressing. This tool will be very HOT immediately after pressing the sippy cup. Remove the tool after the cup has cooled completely. This tool is made of long-lasting aluminum and can be reused countless times when making the sippy cups!
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