𝐖𝐀𝐑𝐌 𝐓𝐈𝐏𝐒: There may be slight color difference due to different light and screens monitor. Please make sure the surface is clean, smooth, flat and dry before applying.The floor tile stickers are not suitable for dirty, rough and wet surface. When installing, you can use a hair dryer to heat them slightly to activate the adhesion of the vinyl tiles. It is recommended that vinyl flooring not be exposed to water or cleaned for at least 5 days after laying vinyl flooring to better maintain adhesion. Please understand different batches of products may have slight color difference, so please try to order pieces adequate at one time to avoid color difference. We provide high quality products and good service. If you have any questions about our black vinyl floor tiles self adhesive, please contact us feel free.