A sealed envelope was used to assign patients to each intervention group.

Being able to seal envelopes and transfer incoming calls requires dedication now?

Reveal the text on letters in sealed envelopes using a quick-drying spray.

It was in a sealed envelope, bound around the stick with twine.

The papers were enclosed in a sealed envelope, addressed to his wife.

When he came down he had a sealed envelope in his hand.

He it was who brought to the boys some sealed envelopes, saying:

Kitty searched the depths of her bag and withdrew a sealed envelope.

The Rajput drew out a sealed envelope, and passed it to him.

He then handed him a sealed envelope, which contained the missing pages.

Finally she pointed to the sealed envelope Alexia was fiddling with nervously.

Without any preamble, Zip retrieved the sealed envelope from the Starventure's safe.

That evening he sent a sealed envelope by special messenger to Andy.

You give him the envelope that has the papers in it-a sealed envelope.

One of the assistant editors has it, in a sealed envelope.

Then he held the sealed envelope in his hand and reflected.