RAINBOWFUN

product And technology development

Rainbowfun — product And technology development

Founded in 2017, Rainbowfun is a doll manufacturer integrating design, R&D, production, and sales. The company boasts a comprehensive development and design team (including 3D design, sculpting, mold making, makeup design, and hair styling), and a 3,000-square-meter production facility.
With customer needs at the core, the company is committed to providing customers with wax-like, ultra-realistic, high-quality dolls that meet their sexual and emotional needs.

Platinum soft silicone Series Launch - March 2024

Following the SLE Series, Rainbowfun proudly unveils the all‑new Platinum soft silicone Series. “Pushing realism to the extreme” defines the essence of the Platinum soft silicone Series.

Platinum super soft silicone

In March 2024, after continuous research and development of the SLE series silicone material, we launched the highly anticipated Ultra-Soft Silicone.

Rainbowfun, always prioritizing customer needs, launched Ultra-Soft Silicone, striving for authenticity. Compared to original silicone, this material feels even softer, even 10% softer than the SLE series.

We believe that this, combined with over 30 customizable material options and faithfully reproduced body shapes, will provide you with a truly realistic and ultimate sexual experience.

Enhanced Deep-Throat Structure

The oral structure is meticulously crafted to replicate a real deep-throat passage, built upon the newly upgraded EXP skeleton. Signature features such as shoulder retraction and wrist rotation are preserved, while an innovative neck design has been introduced to ensure stability and natural movement during deep-throat functionality.

Softened Inner Core

Beneath the lifelike surface lies Rainbowfund’s exclusive InnerCore Softening Technology, a softened inner structure that provides gentle resistance.

1. Upgraded 2.0 gel buttocks offer more realistic elasticity.

2. Gel-filled breasts deliver natural softness.

3. Softened vaginal and anal passages enhance comfort and immersion.

Lifelike Skin Texture

Rainbowfun’s latest skin texture technology – natural, detailed texture and subtle tactile experience achieved through real human body scans.

SLE Series 2.0 Launch - January 2024

The Rainbowfun SLE series has garnered significant consumer favor due to its commitment to authentic high-quality characteristics. January 2024, the series has officially launched version 2.0, which introduces several key upgrades compared to version 1.0:

1. Enhanced full-body detailing: Makeup is now more refined and lifelike, with comprehensive improvements in the texture of both the body and head.

2. Newly designed finger bones: Finger positioning is more natural and flexible, with markedly improved durability.

3. Upgraded softness for privacy passages: Both the vaginal and anal passages feature softer and more comfortable materials than super-soft silicone, providing an elevated user experience.

4. Added bionic skin texture across the entire body: This innovation enhances both detail and realism.

Torsos Series is now available - April 2023

Torso Collection Launched in April 2023, Torso Collection can be posed in a variety of ways, adding a lot of fun to your time with her.

Gel Butt 2.0 - Oct 2023

There is no doubt that a plump and elastic butt is the hallmark of sexy beauties, imagine holding it, the sense of satisfaction and sexual urges are unparalleled. Rainbowfun understands the secrets of pleasure and focuses on them, continuously researching and developing.

Recently, we developed a more realistic gel butt,which has been incorporated into the bodies of our SLE series, When you touch it, you will feel more elastic, more fleshy, and more realistic. Of course, it also intensifies your desire to ‘penetrate’,allowing you to experience unparalleled sex.

Hair Transplant - September 2023

In September 2023, Rainbowfun’s SLE series launched a hair transplant head shape.

1. The three-layer scalp structure and sophisticated hair transplant technology strengthen the hair, solving the problem of hair loss in soft head and oral design.

2. Exquisite hair transplant technology creates a natural and realistic hairline, suitable for various styles, and radiates charm and unlimited appeal.

SLE Series - June 2023

After carefully considering numerous consumer suggestions, Rainbowfun’s proprietary material factory dedicated itself to research, developing the innovative SLE material based on silicone. This led to the stunning launch of the Rainbowfun SLE series of dolls, effectively complementing the Rainbowfun all-silicone product lineup.

The meaning of SLE is S: Safe, L: Less-vinyl, E: Elastomer. The newly developed SLE material, while possessing a soft touch, also exhibits excellent durability. The SLE series of dolls produced are absolutely safe and non-toxic, fully meeting customers’ demands for dolls.

1.soft and jiggly like pudding

2.rich details

EXP Skeleton Upgrade - March 2023

In March 2023, Rainbowfun upgraded the neck joint to address existing issues.

We increased the diameter of the existing neck ball and used a one-piece molding method at the joint to effectively prevent breakage.

Vaginal Auto Clamp & Sucking Function - January 2023

In January 2023, after in-depth research, the Rainbowfun team developed a Vaginal Auto Clamp & Sucking function.

We placed the circuitry, air pump, battery, and other components on the outside of the doll, leaving only a waterproof and breathable hole. The advantage of this external module is that if the battery ages or the module is damaged, the external components can be replaced without damaging the doll.

Upgrade EXP Skeleton - September 2022

In September 2022, after extensive research and testing, Rainbowfun launched another revolutionary technology: the all-new EXP skeleton. As an upgrade from traditional skeletons, the EXP skeleton enables sex dolls to perform more natural and lifelike movements, conveying richer emotions and making them more attractive.

The new EXP skeleton has the following key features:

Expanded Shoulder Range of Motion: The increased range of motion allows the shoulder to flex and extend, coordinating with arm movements, unlocking more poses and significantly enhancing the doll’s expressiveness.

Ball-and-Socket Neck: The newly added ball-and-socket joint allows for free movement of the head, resulting in a more realistic appearance.

Double-Jointed Elbows: The elbows have been redesigned with a double-joint structure, and the wrists have been reinforced with a ball-and-socket joint, allowing for more flexible and natural elbow and hand movements.

Flexible Waist: The redesigned waist joint provides stable support while allowing for easy twisting movements.

Removable vagina - June 2022

The vagina can be easily disassembled and installed, which is convenient for cleaning and maintenance, maintaining overall hygiene and durability.

Oral Sex Feature - March 2022

The uniquely designed mouth structure, combined with a movable jaw and a head-specific makeup designed specifically for the mouth structure, makes the doll appear more vivid and natural when its mouth is open, as if it were your intimate girlfriend, interacting intimately with you and sharing your beautiful private world. At the same time, the complete mouth structure will also provide you with a unique and ultimate oral sex experience.

Breast and buttocks upgrades - January 2022

The breasts and buttocks have been fully upgraded for a more realistic look. They’re as soft and elastic as real people, brimming with health and vitality. Whether kneading or patting, they deliver a near-real touch, awakening your inner passion.