10 x 13 catalog envelopes with Redi-Strip® closure and heavyweight 28 lb. white wove stock for home or office mailing storage and organizing. Keeping your home or business organized is imperative! Whatever your needs catalog envelopes are a must for keeping projects files and mailings manageable. These heavyweight catalog envelopes are made of 28 lb. white wove stock that can withstand extensive handling as well as mailing. Contents are protected during use to give you assurance that they arrive unharmed. When folding is undesired these envelopes are the right choice - the 10 x 13 size will accommodate standard or over- sized documents without folding. Pull-off Redi-Strip® closure saves time and makes a secure permanent seal. Purchasing envelopes will be at a minimum with the convenient 100 count giving you more time to focus on business.