Keep sensitive content private with Clean Seal business envelopes. These Office Depot envelopes are tinted on the inside, so your information remains private while in transit. Clean Seal closure requires no moisture to seal. Security-tinted inside for privacy and confidentiality. Made of crisp 24-lb white wove for a substantial feel. White business envelopes measure 4-1/8" x 9-1/2". Box of 100 envelopes.