♥ This is a regular posture-improving gel cushion, so it can be used for long periods! It's very effective for work, studying for children, and especially for preventing lower back pain. Definitely recommended for preventing sudden lower back pain. ----------------------------------------------------------------------- ♥ According to Mercari standards, I have listed this as "Like New." ✓ Although it is an unused item, I have listed it as "Like New" because it has been stored at home. ✅ Immediate purchase is welcome ─────⭕️ ※ All information about the product's condition and details is listed in the description. If you have any concerns other than what is described, please request additional images as there may be subjective differences in comments. ✅ Follower Discount ──────⭕️ ✅ Other Discounts ──────⭕️ ① Follower discounts and other discounts (discounts in addition to the follower discount) will be applied at our discretion. ② If you have a predetermined purchase price, please register it using the price request function and wait for our comment. We will do our best to accommodate your request. ✅ Early Evaluation Discount ──────⭕️ Based on the official Mercari rules, we will offer a discount in addition to the follower discount to those who can cooperate with the evaluation deadline (standard deadline) that we will notify you of. Please let us know in the comments if you would like this! 【Product Specifications】 ● Size: 42 x 36 x 34.5 cm 【Product Description】 ● Improves posture just by sitting: The 3D support structure naturally maintains the S-curve of the spine. ● Uses new TPE material: Amazingly soft and elastic, providing firm support. You won't get tired even after sitting for long periods. ● Ergonomic design: W-shaped design to support the pelvis, and non-slip structure for a stable sitting experience. ● Comfortable breathability ◎ The condition may vary depending on the individual's perception, so if you are looking for a perfect product, please consider carefully before purchasing. ◇ 【Important Notes】 Please read before purchasing! ① Confirmation of the contents of the description. ② Please understand and acknowledge any scratches or scuffs due to storage or use that cannot be shown in the product images as a reused item. ③ If there is a difference in subjective opinions between us, including the evaluation after arrival, please comment before completing the transaction. ④ In case of initial operational defects, we will accept returns, so please rest assured. ※ This is limited to before the evaluation. ♥ We will carefully pack and ship your item with care.