Extra Second Seat SLIN Accessory for Compatible Book-Fold Strollers, Toddler Stroller 3-5 Year Old, Foldable Mesh Add-On with Adjustable Straps, No-Tool Installation, Accessory Only

["Accessory-Only Design: This item is a detachable seat sling accessory for compatible book-fold strollers. It is not a carriage, not a standalone stroller, and does not include wheels, frame, brake system, or push handle","For Compatible Stroller Frames: Designed to attach to select customer-owned stroller frames using adjustable upper and side/lower straps","Foldable Mesh Sling: The flexible sling-style seat features breathable side mesh and padded edges for short breaks during everyday outings, errands, travel days, and walks","No-Tool Attachment: Adjustable straps allow installation and removal without tools. Always confirm the attachment is secure before each use and follow the included instructions","Important Use Notice: For children who can sit upright unassisted only. Adult installation and supervision are required. Do not use as a standalone child transport product"]