The O.S.S Bar Step into a clandestine realm where the spirit of adventure and mystery

สถิตอยู่ในใจตราบนิรันดร์น้อมสำนึกในพระกรุณาธิคุณอันหาที่สุดมิได้ต่อสมเด็จพระเจ้าลูกเธอ เจ้าฟ้าพัชรกิติยาภา นเรนทิราเทพยว...
12/06/2026

สถิตอยู่ในใจตราบนิรันดร์
น้อมสำนึกในพระกรุณาธิคุณอันหาที่สุดมิได้ต่อสมเด็จพระเจ้าลูกเธอ เจ้าฟ้าพัชรกิติยาภา นเรนทิราเทพยวดี กรมหลวงราชสาริณีสิริพัชร มหาวัชรราชธิดา

ข้าพระพุทธเจ้า คณะกรรมการ ผู้บริหาร และพนักงาน
บริษัท อุตสาหกรรมไหมไทย จำกัด (จิม ทอมป์สัน)

Forever in our hearts.
With deepest gratitude and reverence for Her Royal Highness Princess Bajrakitiyabha Narendiradebyavati, Krom Luang Rajasarini Siribajra Mahavajrarajadhita.
The Board of Directors, Management, and Employees of Thai Silk Company Ltd. (Jim Thompson)

Now pouring at The O.S.S. Room 🍸🌿Tom Yum. Mango Sticky Rice. Kao Pad Ka Prao. Lod Chong.Familiar flavours, decoded into ...
10/06/2026

Now pouring at The O.S.S. Room 🍸🌿

Tom Yum. Mango Sticky Rice. Kao Pad Ka Prao. Lod Chong.
Familiar flavours, decoded into something entirely unexpected. ✨

Find your next favourite sip. 🤍

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily From 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

AFTER HOURS: MONKEY TAKEOVER 🥃🌙The files have been handed over. 🕵🏻‍♂️Monkey Shoulder operatives step into The O.S.S. wit...
08/06/2026

AFTER HOURS: MONKEY TAKEOVER 🥃🌙
The files have been handed over. 🕵🏻‍♂️

Monkey Shoulder operatives step into The O.S.S. with a limited menu built for after-hours operations. ✨
Meet us at The O.S.S. Secure your spot.🔎

🕖 9th June | 20:00 - 23:00
📍 The O.S.S. Bar 🍸

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

CLASSIFIED MISSION: *Timeless-Twists 🍸This is your invitation to reinterpret the familiar, challenge convention, and unc...
08/06/2026

CLASSIFIED MISSION: *Timeless-Twists 🍸

This is your invitation to reinterpret the familiar, challenge convention, and uncover what lies beyond the original recipe.
The file is open. Will you take the mission?✨

MONIN CUP THAILAND 2026
🕖 9th June | 8:00 — 23:00
📍 The O.S.S. Bar 🍸

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

#

The O.S.S. Afternoon Ritual 🍵Curated teas, delicate sweets, savoury bites, and slow pours, a quiet escape above the city...
06/06/2026

The O.S.S. Afternoon Ritual 🍵

Curated teas, delicate sweets, savoury bites, and slow pours, a quiet escape above the city's pace. ✨
Let the afternoon linger a little longer. 🍃

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

Classified After Dark 🌙🍸Spy cocktails. Hidden signatures. After-dark stories waiting to unfold. ✨From coded classics to ...
05/06/2026

Classified After Dark 🌙🍸
Spy cocktails. Hidden signatures. After-dark stories waiting to unfold. ✨

From coded classics to undercover creations, every pour at The O.S.S. leaves a different trail.

Your next mission starts at The O.S.S.🔎

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

Glass up. Game on.✨Five directions.Five different moods.Pick one for tonight. 🍸Tag who you are coming with tonight. ✨🌐 F...
31/05/2026

Glass up. Game on.✨

Five directions.

Five different moods.

Pick one for tonight. 🍸

Tag who you are coming with tonight. ✨

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

Some days start slow.A gentle pour. Warm light. Conversations that don’t need to hurry. 🍵Then… a shift.Lights dim. Ice c...
30/05/2026

Some days start slow.

A gentle pour. Warm light. Conversations that don’t need to hurry. 🍵

Then… a shift.

Lights dim. Ice cracks. Flavours get a little louder. 🎶
Same space - just a different rhythm.

Where does your story begin? 🫖🍸

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

29/05/2026

Rewind our CLASSIFIED 90s Night 🎞️📽️
A night where every song hit different, and somehow the whole room slipped back into another era. ✨

Pure nostalgia, louder energy, and unforgettable moments at The O.S.S. 🪩
Until next time ▶🍸

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

Pick your identity for tonight. 🕵🏼🔍Not every role is made for you - but one of them is.Swipe slowly.When it feels right,...
27/05/2026

Pick your identity for tonight. 🕵🏼🔍
Not every role is made for you - but one of them is.

Swipe slowly.
When it feels right, you’ll know.
Find yours at The O.S.S. ✨

Tell us who you become tonight. 🍸
🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

ที่อยู่

6/1 Kasem San 2 Alley, Wang Mai, Pathum Wan
Bangkok
10330

เวลาทำการ

จันทร์ 12:00 - 17:00
18:00 - 00:00
อังคาร 12:00 - 17:00
18:00 - 00:00
พุธ 12:00 - 17:00
18:00 - 00:00
พฤหัสบดี 12:00 - 17:00
18:00 - 00:00
ศุกร์ 12:00 - 17:00
18:00 - 00:00
เสาร์ 12:00 - 17:00
18:00 - 00:00
อาทิตย์ 12:00 - 17:00
18:00 - 00:00

แจ้งเตือน

รับทราบข่าวสารและโปรโมชั่นของ The O.S.S Barผ่านทางอีเมล์ของคุณ เราจะเก็บข้อมูลของคุณเป็นความลับ คุณสามารถกดยกเลิกการติดตามได้ตลอดเวลา

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