These are the standards for the length of Titles & Description as per Search Engines and Directories
Title can be of 60-90 characters
Description can be of 250 characters
Long Description can be of 600 characters
Keywords can be of 150 characters or 5 keywords/key phrases
We recommend you to provide the data as per above. However our SEO experts can redo the Titles and Descriptions you provide to accommodate the standard length.