BuildTak BT5.5x5.5-3PK Sheet, 5.5" x 5.5" Works with ABS, PLA, HIPS, PET+, Brick, Wood & Flexible (TPE) filaments Installs much easier than masking tape or films typically used and with fewer chances of air bubbles Heat resistant and durable, can be reused for many consecutive builds and you can use different filament materials without the need to change the printing surface Additionally we have had success with getting nylon and t-glase (PETT) to adhere when used with a thin layer of washable glue stick on the BuildTak surface Made In the USA