Quality Park Kraft Expansion Envelopes with Self Seal Closure - 10" x 15" x 2" - Brown - 25 PackEasily ship bulky items or multiple items at once with Quality Park Kraft Expansion Envelopes with QuickStrip Closure. These 10" x 15" kraft expansion envelopes expand up to 2" to accommodate larger mail. They feature a QuickStrip closure that seals without moistening. Simply remove the strip and press the square flap down to seal. Made from heavyweight 40 lb brown kraft stock, the sturdy envelopes safeguard documents and completely conceal the