[Wide Application] Our PEO+PEI print bed (with magnetic build plate) measures 235x235mm with 2 screw holes, compatible with for K1 for 3 S1, for 3 S1 Pro, for 5 S1 and similar size FDM 3D printers. [Excellent Adhesion] The spring steel plate has good printing adhesion, no need for glue and shellac. The recommended temperature for PLA filament in the board is 60; for PETG it is 70. [Available in 2 Printing Effects] The PEO film board surface can provide a beautiful and smooth diamond-shaped printing base; the textured PEI coating build surface provides a matte texture and retains a frosted feel. [Easy to Removal] PEO+PEI spring steel plate is flexible and the printed model can be easily removed by hand once the build surface cools or the build plate is bent and the model is removed. The print bed will not warp. Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Colour:As Shown Material:steel Size:235x235mm Package Contents: 1 x PEO+PEI print bed 1 x magnetic build plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.