Purchased at Akachan Honpo in December 2025 for the regular price of 3280 yen. Soundproof joint mats, perfect for a baby's room, providing a comfortable space with a thickness of 2cm. - Color: Light Brown - Size: 58cm x 58cm - Thickness: 2cm - Quantity: Set of 4 - Soundproofing: Soundproof type Large-size set of 2 soundproof joint mats. They can be joined together to fit your desired size. The material is polyethylene, which is resistant to water and dirt. Side parts are included for a clean finish on the sides. ● Material: Polyethylene ● Set Contents: Set of 4 ● Product Size (approx. cm): 58 x 58 per mat ● Thickness: Approx. 2cm ● With edge pieces Thank you for viewing.