Made in the USA - Ultem 1000 PEI sheet installs quickly via the laminated adhesive on top of existing flat build platforms (e.g. borosilicate glass) Bubble free application - The 3M 468MP adhesive is already preapplied to the PEI; simply peel back the tape liner for quick adhesion to the bed Build Surface - PEI is the perfect no prep build surface which is endlessly reusable for multiple prints; clean with isopropypl alcohol between prints (or with acetone on a COLD bed) ABS and PLA filaments (along with many other materials) print directly on to PEI surface without the need for additional adhesives, tapes, or slurry Dimensions: 300mm x 300mm / PEI thickness: 0.56mm (0.022 inches) / Laminated 3M 468MP adhesive thickness: 0.13mm (0.005 inches)