Men。Part sandal, part suspiciously clever beach engineering: collectible Reef Dram novelty flip flops with built-in heel flask/canteen chambers. Tagged Men’s US 10. Brown/gray thong sandals with red Reef logo, removable side screw caps, visible heel chambers, and rubber outsole. Side caps are present and removable. Built-in chamber/flask design is shown in photos. Condition: Visible prior wear throughout. Strap uppers have peeling/flaking finish, scuffs, rub marks, discoloration, cracking/wrinkling, and worn edges. Toe posts show fraying/wear. Footbeds show marks, residue, and wear. Outsoles show dirt, scuffing, and wear. Visible heel chamber/cap areas show wear along the edges. Novelty flask/canteen function has not been tested and is not guaranteed. Capacity, leak resistance, cleanliness, and liquid safety are not confirmed. Sold as collectible novelty footwear/as-is, not guaranteed for beverage use. If you are not comfortable with the condition, wear, removable cap design, or untested chamber function, please do not purchase. By purchasing, buyer acknowledges they reviewed all photos, size tag, condition notes, novelty flask/canteen disclosure, and visible wear, and is comfortable purchasing based on the information provided. Item is sold as-is. Condition, wear, and any noted imperfections are reflected in the photos and description. ⚠️ Sourced from a retailer return pallet. Item may have been tried on or worn by the prior purchaser; because prior use cannot be confirmed