Scotch-Fix Mirror Double-Sided Mounting Tape, 19mm x 5m - For Indoor Use, Humid Areas, For Mirrors in Bathrooms and Kitchens, Works on Ceramic, Tiles, Finished Wood, Metal, Glass and Painted Walls :
Scotch-Mount™ Indoor Double-Sided Mounting Tape | 3M United States
Scotch-Mount Extreme Double-Sided Mounting Tape Mega Roll 414H-Long-DC, 1 in x 400 in : Amazon.co.uk: DIY & Tools
3M Scotch-Fix Indoor White, green Mounting Adhesive square (L)25mm (W)25mm, Pack of 16 | DIY at B&Q