〈Daitou Shingu Kogyo〉tetra -No. 8 Canvas Beanbag Lounge Chair, Big Size

The tetra, created by the long-established bedding manufacturer Daitou Shingu Kogyo, is a single-seat beanbag lounge chair designed to naturally support a relaxed sitting posture.  

Lightweight and easy to carry, the washable cover features a simple, refined solid-color design.

 

 

This large-size model provides full support for your back and neck.

Combining a century of craftsmanship with expert knowledge of sleep, it offers a uniquely relaxing experience, perfect for reading, napping, or simply resting.

 

 

A Seat for Relaxation, Born from the Comfort of Japanese Living - tetra

Daitou Shingu Kogyo’s single-person lounge chair, tetra, has a distinctive triangular silhouette that suits both Japanese and Western interiors.

When you sit down, the cushion naturally adjusts to support your back, guiding you into a comfortable, relaxed position. It feels like a special seat made just for you, creating a moment of quiet luxury.

 

The secret of tetra is its unique design, which naturally maintains a 45-60 degree angle, considered ideal for napping.

This gentle incline softly supports your body, helping to relieve fatigue efficiently, even during a short rest.

 

 

Generously Sized for Gentle Full-Body Support

This is the big-size model in the tetra cushion series.

By ensuring firm support from your back and hips all the way up to your neck, it provides a comfortable seating experience that allows you to rest your entire body.

 

 

Perfect for those who like to sit back and relax deeply, it’s also an excellent choice for napping.

 

 

Bead-Filing and User-Friendly Design for Daily Comfort

The filling consists of approximately 5mm diameter foam beads.

As you shift your posture, the beads move freely, molding perfectly to the contours of your body.

Soft yet supportive, this filling creates an inviting comfortable seating experience.

 

 

Light and easy to handle, thanks to the light-weight bead-filling, the cushion can be cleaned and moved with minimal effort. Another feature that adds to its appeal.

 

Removable for easy care, the tetra No. 8 canvas cover is made with durable, water-repellent canvas offering both practicality and long-lasting quality for everyday use.

 

 

Crafted by Artisans, Made for Restful Moments

At Daitou Shingu Kogyo, a Kyoto bedding manufacturer with over a century of history, every employee is a certified Sleep Health Instructor, a qualification that shows the company’s deep commitment to sleep-quality and well-being.

Combining the technical skill and expertise of nationally certified artisans, the company seeks to create comfort that is felt rather than seen.

 

 

Born from this long tradition of Kyoto craftsmanship, the tetra reimagines the techniques of zabuton (Japanese floor cushion) for modern living.

It combines traditional sewing techniques with ergonomic insight to create a product that offers both comfort and beauty.

 

 

This one-of-a-kind relaxation piece combines craftsmanship passed down through generations with modern lifestyle design.

Perfect for an afternoon nap, or for enjoying tea or reading.

The tetra is a piece designed to enhance you personal moments of relaxation.

 

 

 

 

Size
Big size
Width: approx. 95cm
Depth: approx. 115cm
Height: approx. 95cm

 

 

Material
Cover: 100% cotton (No. 8 canvas), with zipper
Body: 100% cotton (unbleached), double zipper on back *Expanded beads can be refilled.
Filling: Expanded beads (polystyrene, polyethylene) approx. 200L

 

 

Regarding product delivery
Typically ships in approximately 10 business days.

 

 

Other
About washing the cover
・Please hand wash.
・After washing, smooth out wrinkles on all four sides, reshape, and hang dry in the shade.
*Please avoid using a washing machine, as it may cause damage or shrinkage to the fabric.

About bead flattening
・The expanded beads used for the filling are designed to resist flattening, but flattening may occur over time and due to usage conditions and aging.
*Refill beads (20L/bag) are available separately. Please inquire if needed.

About the fabric
・The tetra No. 8 canvas uses water-repellent treated canvas fabric. During the manual cover setting process, friction or folding of the fabric may cause some areas to appear white. This is due to the water-repellent agent and starch used to add stiffness, and is a characteristic of No. 8 canvas fabric (chalk marks).
・Canvas fabric may contain slubs, also known as yarn knots, on the fabric surface during the manufacturing process. Please enjoy this unique texture of natural materials.