■【Brand Name】
At First
■【Product Name】
Flat Bottle Case
■【Product Description】
・Great for carrying PET bottles. The "Flat Bottle Case," which adds a pleasant function while being simple, is newly introduced. 【No need to worry about water droplets or temperature changes】・No need to worry about the inside of the bag getting wet from water droplets on the PET bottle. This item also helps to suppress temperature changes of the drink. 【Opens wide for smooth access】・The zipper opens all the way down, allowing it to open wide. No hassle when putting in and taking out! 【Simple lock to guard against popping out】・When the zipper is closed and the slider is in a down position, it automatically locks simply. It prevents the PET bottle from popping out, providing peace of mind. 【Fits 500ml to 600ml PET bottles】・The size can accommodate 500ml to 600ml PET bottles. Perfect for outings or commuting to school or work. 【Convenient simple cooling and warming function】・The inside is made of aluminium film with simple cooling and warming effects. It comes with a mesh pocket to store ice packs and more. 【Convenient strap for carrying】・Use the snap-button strap to hook it onto your wrist or attach it to the handle of your bag. 【Compact for easy transport】・After finishing the drink, fold it in half for compact storage. It doesn't take up much space in the bag, making it easy to carry back. 【Unisex design for matching】・A genderless design that is easy to choose regardless of age or gender. It's also recommended to coordinate with family in different colors. 【Pocket Specifications】・Inside: Mesh pocket x1
■【Material】
[Main Body] Polyester 100% [Filling] Aluminium film
■【Country of Production】
China
■【Size】
【Applicable Size】Compatible with 500ml to 600ml PET bottles. [Height] Approximately 21cm / [Bottom Diameter] Approximately 8cm. *The size is based on the actual size measured by BACKYARD FAMILY. There may be slight discrepancies with the actual product and the manufacturer's stated size. Please understand in advance.
■【Weight】
Approximately 71g
■【Cautions】
※Prolonged exposure to sunlight, friction, or water leakage may cause color fading or transfer. ※When handling, please be sure to check the quality display, attention tags, and usage precautions indicated on the product and packaging. ※Do not use for purposes other than intended. ※Due to the nature of cameras and monitors, there may be color differences between the image and the actual product, so please understand.
※※Notice of price change: The price was changed on May 26, 2026.※※
At First
■【Product Name】
Flat Bottle Case
■【Product Description】
・Great for carrying PET bottles. The "Flat Bottle Case," which adds a pleasant function while being simple, is newly introduced. 【No need to worry about water droplets or temperature changes】・No need to worry about the inside of the bag getting wet from water droplets on the PET bottle. This item also helps to suppress temperature changes of the drink. 【Opens wide for smooth access】・The zipper opens all the way down, allowing it to open wide. No hassle when putting in and taking out! 【Simple lock to guard against popping out】・When the zipper is closed and the slider is in a down position, it automatically locks simply. It prevents the PET bottle from popping out, providing peace of mind. 【Fits 500ml to 600ml PET bottles】・The size can accommodate 500ml to 600ml PET bottles. Perfect for outings or commuting to school or work. 【Convenient simple cooling and warming function】・The inside is made of aluminium film with simple cooling and warming effects. It comes with a mesh pocket to store ice packs and more. 【Convenient strap for carrying】・Use the snap-button strap to hook it onto your wrist or attach it to the handle of your bag. 【Compact for easy transport】・After finishing the drink, fold it in half for compact storage. It doesn't take up much space in the bag, making it easy to carry back. 【Unisex design for matching】・A genderless design that is easy to choose regardless of age or gender. It's also recommended to coordinate with family in different colors. 【Pocket Specifications】・Inside: Mesh pocket x1
■【Material】
[Main Body] Polyester 100% [Filling] Aluminium film
■【Country of Production】
China
■【Size】
【Applicable Size】Compatible with 500ml to 600ml PET bottles. [Height] Approximately 21cm / [Bottom Diameter] Approximately 8cm. *The size is based on the actual size measured by BACKYARD FAMILY. There may be slight discrepancies with the actual product and the manufacturer's stated size. Please understand in advance.
■【Weight】
Approximately 71g
■【Cautions】
※Prolonged exposure to sunlight, friction, or water leakage may cause color fading or transfer. ※When handling, please be sure to check the quality display, attention tags, and usage precautions indicated on the product and packaging. ※Do not use for purposes other than intended. ※Due to the nature of cameras and monitors, there may be color differences between the image and the actual product, so please understand.
※※Notice of price change: The price was changed on May 26, 2026.※※
| color | Ivory2, Beige, Black |
|---|---|
| size | Bottle Case/Bottle Case, FREE |
| Actual size | Compatible with 500ml and 600ml PET bottles |
| Material | 100% polyester, aluminium vapor-deposited film |
Note
・Depending on your monitor, the colors may appear different.
・Product information is translated using machine translation, which may result in unnatural expressions.






























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