A closed book stacked under a closed spiraled notebook.

Book And Notebook

A face with closed eyes and closed mouth represented by lines.

Expressionless Face Emoji

Security Shield With Lock Icon

Recycling Bin

Closed Bottle

Envelope

Garbage Bag

An open window with its curtains pulled to the side.

Window With Curtains

Curtain And Tiles

Window 

Fist

Side Curtain

Closed Padlock

Human Lips

Closed Box 

Envelope Icon

Umbrella

Treasure Chest

Mail

Blinds

Curtain Held Back By Sash

Lock

Curtain

Closed Curtain

Books

Briefcase

A plain horizontal window with one curtain on the side.

Window With One Curtain

Curtain On Pole

Door With Doorstep

Stack Of Books

Security Shield

Row Of Books

Curtain Tied Back

Tied Curtain

Curtain On Rod

A gsquare lass window frame with a wavy curtain drawn diagonally across the window.

Window Frame With Curtain

Mailbox

Squeeze Tube

Closed Book

Closed Vault Safe

Window

A closed envelope with a close button on its corner.

Envelope Icon With Close Button

A vertical window with one tied-back curtain.

Window With Curtain

Curtain Tied In Middle

A night sky with a moon and stars behind a window with a frame and curtains.

Window With Sky View

A busy and overworked manager or employee surrounded by charts, graphs, and notifications.

Busy Project Manager Overwhelmed By Work

Book

A roller blind or curtain rolled all the way down on a window.

Window With Roller Blind Down

Bubbly

Youthful

Classy

Mellow

Offbeat

Abstract

Friendly

Cheerful

Funky

NeoLiving

Techno

HansenModern

Illustrations of closed curtain