瀬戸内 List of Products and Services

We would like to introduce our product, "Limestone 50mm," available on our official online store. This highly popular limestone features large white gravel that creates a unique garden atmosphere. The 50mm size is also recommended for parking lot gravel, providing stability and maintaining its particle size for an extended period. Please feel free to consult us when you need assistance. 【Specifications (partial)】 ■ Raw material: Limestone ■ Origin: Mine City, Yamaguchi Prefecture ■ Manufacturing method: Crushing and sorting *with sharp edges ■ Color: White to light gray, with yellow (iron content) parts ■ Standard: 50-30mm, single particle crushed stone *For more details, please download the PDF or feel free to contact us.

We would like to introduce our product "Limestone 30mm," available on our official online store. It is very popular as garden gravel. By laying it in gardens with dark-colored houses, it creates a beautiful contrast. It is suitable for decorative gravel in gardens, landscape stones for potted plants, interior design, and ornamental use, with an ideal thickness of about 5cm. The walkability is moderate. 【Specifications (partial)】 ■ Raw material: Limestone ■ Origin: Mine City, Yamaguchi Prefecture ■ Manufacturing method: Crushing and sorting *with sharp edges ■ Color: White to light gray, with yellow (iron content) parts ■ Size: 40-30mm, single particle crushed stone *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Black Serpentine Stone (Kurojamon Tamaiishi) 50mm 30mm" available on our official online store. The raw material is serpentine rock, and the color ranges from pale lead to black. When wet, it shines beautifully in black. Due to its black color, it retains heat on hot days. It is suitable for decorative gravel in gardens, landscape stones, garden stones, and as decorative gravel for potted plants, ideal for leveling at approximately 3 to 7 cm. 【Specifications (partial)】 ■ Raw material: Serpentine rock ■ Origin: Ube City, Yamaguchi Prefecture ■ Manufacturing method: Crushing, polishing, and sorting ■ Color: Pale lead to black ■ Sizes: 50mm/50-30mm, 30mm/30-20mm *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Nangoku Tamaiishi (Southern Country Pebbles) 20mm," which is available on our official online store. It is decorative gravel suitable for gardens and parking lots, and it is also ideal for use as interior decor. It is ideal to spread it to a thickness of about 2 to 5 cm. Its walkability and drivability are low. *Due to being single grains, it does not compact. 【Specifications (partial)】 ■ Raw material: Sea stone ■ Origin: Kochi Prefecture ■ Manufacturing method: Contains salt due to being sea stone ■ Color: Mixed colors ■ Standard: 20-10mm single grain *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Limestone Pebbles (30mm)" available on our official online store. These pebbles are ideal for decorative gravel in gardens, as drainage gravel for hand wash basins, and for interior use. Please lay them at a thickness of approximately 3 to 7 cm. They have low walkability and drivability. *Note: They do not compact due to being single particles. If you have any inquiries, please feel free to consult us. 【Specifications (Partial)】 ■Raw Material: Limestone ■Origin: Mine City, Yamaguchi Prefecture ■Manufacturing Method: Crushing and Grinding ■Color: White to Light Gray ■Specification: 30-20mm single particle *For more details, please download the PDF or feel free to contact us.