Description: brand new and high quality. Feature: PEI(Polyetherimide), also known as Ultem, is a reusable, relatively maintenance free. Perfect build surface for both ABS(Heatbed 100C) and PLA (Heatbed 60C), other materials such as Metal, Wood, ABS+, ASA, PETG and many others also works just fine. PEI sheet is appealing due to its "no-surface-prep"conditions, which make it convenient to work with. Additionally, printing on PEI sheet requires no support rafts as parts adhere directly to the surface with no issue. Say good bye to Blue Tape and ABS Slurry. Last couple months to years for depend on the usage. Easy to get the first layer even for a new user. Suits variety of filaments, especially for PLA and ABS. Fast heater performance, less waiting for time after printing. Free scratches with protective film. PEI sheet only, other accessories demo in the picture is not included Specifications: Item Type: PEI sheet Size: 235x235mm/9.25x9.25in Material: PEI Color: Yellow Quantity: 1 Pc Available size: 203x203mm, 150x230mm, 200x280mm, 220x220mm, 224x254mm, 235x235mm, 241x254mm, 254x254mm, 200x300mm, 305x305mm, 406x406mm, 508x508mm. If you want to buy other size, feel free to send us a message, we will let you know how we can help you out. How to use? 1.Apply the PEI sheet on the heatbed carefully in for case of any bubbles. 2.For details, Check the guide video. Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x PEI sheet