Amazon has the Sugru Moldable Glue Black and White – 8 Pack in $11.40 with FREE shipping for Amazon Prime or orders over $25.
Product Features:
Sugru Original Formula is the world’s first moldable glue that sets strong by turning into silicone rubber
Advanced silicone technology that bonds permanently to almost anything, then sets strong by turning into a durable, tactile silicone rubber overnight
Ideal for all sorts of DIY projects for indoors and out: Fix, bond, seal, improve, mount and create
A unique combination of technical properties: waterproof, heat- and cold-resistant, durable, flexible, shock-resistant and electrically insulating (up to 24 volts)
Bonds to: glass, ceramic, wood, metal, most plastics & more. Forms a strong bond, mount and hang things without drilling, holds up to 2kg/4.4lb
The packing has been updated as of 10/30/2017, but the product enclosed is the same