⭐ Product Description

Discover the excitement of the unknown with the Mystery SajaBoys™ 20 oz Stainless Steel Tumbler from EnduroSip — the ultimate collectible for fans who love surprises. Each tumbler features front and back UVDTF 3D Permasticker artwork, delivering ultra-vibrant color, crisp detail, and a premium glossy finish that pops from every angle.

Inside each Mystery tumbler is a randomly selected SajaBoys™ character design, making every purchase a fun reveal. Will you pull JINU? RUMI? MIRA? Or a rare limited-edition member? The thrill is part of the experience.

Perfect for fans, collectors, and anyone who wants high-quality drinkware with an element of surprise.

⭐ Features

• 20 oz double-wall vacuum-insulated stainless steel

• Keeps beverages cold up to 24 hours / hot up to 8 hours

• Includes front + back UVDTF 3D Permasticker graphics
  — Waterproof, scratch-resistant, ultra-vivid

• Matte black powder-coat finish for a sleek premium feel

• Includes sliding splash-proof lid

• BPA-free, sweat-proof, rust-resistant

• Hand wash only to preserve artwork and finish

• Perfect for SajaBoys™ fans, gift boxes, collectors, and merch drops

⭐ Why Fans Love It

The Mystery SajaBoys™ Tumbler turns every order into a collectible moment — combining EnduroSip performance with the fun of blind-box merch. Build your set, trade with friends, or chase rare designs as new members drop.

Sip. Collect. Reveal.
SajaBoys™ Mystery Edition — only from EnduroSip.