Features: brand new and high quality Double-sided printing, convenient and practical. High temperature resistance, scratch resistance, no deformation. Print does not warp edges, strong stickiness. Imported stainless spring steel with good flatness. The printed model can be removed without the help of other tools, and it can be bent back to a flat state without damaging the mold Specifications: Material：Steel Number of Items：1x Steel Spring Sheet Size: approx 220x220mm/8.67x8.67in 235x235mm/9.25x9.25in 310x310mm/12.2x12.2in (Optional) Weight: 485g/535g/880g Package Includes: 1x Pei Spring Steel Sheet note: Do not use acetone on the powder-coated Pei surface!!!! As with any printing platform, make sure to print too close to the hot bed to avoid damaging the printing surface. If printing PETG, TPU, TPE and RYNO consumables, please make sure the hot bed is heated before taking the mold from the hot bed after printing! ! !