Feature:1. BLANK PUZZLES: The sublimated blank heart shape jigsaw puzzles can draw pictures, you can sublimate your decorative photos or art paintings on it.2. SPECIFICATIONS: Includes heart shape blank puzzles and bottom plates, 19 x 19cm in size, each puzzle set includes 75pcs components for DIY fun with family.3. OPERATING RANGES: Sublimation puzzle printing temperature is 170175, wait 6080s, medium pressure (temperature and time can be adjusted according to your machine).4. MEMORY KEEPING: You can recall the past during the puzzle process, and each sublimation puzzle you make will retain your valuable memory.5. SWEET GIFTS: Sublimation puzzles provide warm and sweet gifts for your loved ones, and can also be used as a gift for every holiday to express your heart.Specification:Item Type: Heat Transfer PuzzleMaterial: PaperSpecification: A4 19cmx19cm 75pcs (Approx. 19 x 19cm / 7.5 x 7.5in).Package List:5 x Blank Puzzles5 x Bottom PlatesNote:This product contains small parts and is not suitable for children under 3 years old, please store in a suitable place.