Tumi Holdings, which manufactures high-end suitcases and other premium travel accessories, announced terms for its IPO on Monday. The South Plainfield, NJ-based company plans to raise $300 million by offering 18.8 million shares (6% insider) at a price range of $15 to $17. At the midpoint of the proposed range, Tumi Holdings would command a market value of $1.0 billion. Tumi Holdings, which was founded in 1975 and booked $330 million in sales in 2011, plans to list on the NYSE under the symbol TUMI. Goldman Sachs and Credit Suisse are the joint bookrunners on the deal.