A Curve That Hits the Spot
Thermo-Reactive Pleasure
Beautiful, Safe & Long-Lasting
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A double-ended borosilicate glass dildo by Biird, designed for temperature play and precise G-spot stimulation.
Kalii carries an elegance that invites you to slow down. Its smooth surface glides like a caress, its ridges awaken the senses, and its curve naturally seeks the G-spot. Warmed under water or cooled for a few minutes, it turns every sensation into a true sensory ritual. A beautiful, lasting object — as pleasing to the eyes as it is to the body.
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Non-porous, durable, and easy to clean.
Effortlessly targets the G-spot, with ridges for varied pressure.
Warm it up or cool it down to modulate sensations.
One curved tip for G-spot pleasure, the other smooth for fluid penetration.
Choose your temperature: warm under water for a few minutes, or chill in the fridge (never the freezer).
Add a few drops of water-based lubricant to Kalii.
Gently insert the end of your choice and let the curve stimulate your G-spot.
Vary the pressure and rhythm; explore the ridges with small, slow movements.
After use, wash with warm water and mild soap, dry thoroughly, and store in its case.
The Kalii — An elegant, deeply satisfying G-spot glass dildo.
Vegan leather storage case — A refined protection for home and travel.
Born in the Netherlands and led by women, Biird embodies a bold vision: to celebrate sensuality with beauty, intelligence, and freedom. With over 20 years of experience in the world of pleasure, the Biird team understands the taboos and barriers that still hold back conversations around sex toys. That’s why they create objects that are both aesthetic, powerful, and deeply caring, designed to inspire exploration — without shame, without fear, without hesitation. Each Biird creation challenges the status quo: elegant forms, precise technology, and an inclusive philosophy where pleasure belongs to everyone, not just the “experienced.” For Biird, pleasure is a natural right, a way of life, and an act of self-care.
Choose your temperature: warm under water for a few minutes, or chill in the fridge (never the freezer).
Add a few drops of water-based lubricant to Kalii.
Gently insert the end of your choice and let the curve stimulate your G-spot.
Vary the pressure and rhythm; explore the ridges with small, slow movements.
After use, wash with warm water and mild soap, dry thoroughly, and store in its case.
The Kalii — An elegant, deeply satisfying G-spot glass dildo.
Vegan leather storage case — A refined protection for home and travel.
Born in the Netherlands and led by women, Biird embodies a bold vision: to celebrate sensuality with beauty, intelligence, and freedom. With over 20 years of experience in the world of pleasure, the Biird team understands the taboos and barriers that still hold back conversations around sex toys. That’s why they create objects that are both aesthetic, powerful, and deeply caring, designed to inspire exploration — without shame, without fear, without hesitation. Each Biird creation challenges the status quo: elegant forms, precise technology, and an inclusive philosophy where pleasure belongs to everyone, not just the “experienced.” For Biird, pleasure is a natural right, a way of life, and an act of self-care.
Designed to naturally follow the body’s contours, Kalii’s curve stimulates the G-spot effortlessly. Each motion mirrors the body’s shape, while delicate ridges awaken waves of progressive pleasure. An invitation to slow exploration — savoring the rise of desire between precision and surrender.
Borosilicate glass holds the temperature you give it: warm for a soothing, body-opening sensation, or cool for a vivid touch that sharpens every contraction. This sensory contrast turns simple penetration into a dialogue between heat and desire — a ritual that reawakens the body.
Kalii isn’t just a toy — it’s an elegant piece designed to endure. Its non-porous glass cleans easily and stays pristine over time. Hygienic, eco-friendly, and timeless — a pleasure object made to last.
Yes. Borosilicate glass is strong and durable. As with any glass object, check for cracks or chips before use, and stop using if any appear.
Warm water and mild soap are enough. Dry thoroughly and store in the provided case. Avoid dishwashers.
Absolutely. Warm it under water or cool it in the fridge for a refreshing sensation (never in the freezer).
Anyone seeking precise G-spot stimulation, a beautiful and easy-to-maintain object, and customizable sensations through temperature play.