Large size Klein bottle

The shape of this model is Round Large size Klein bottle clear 3D model hand blown glass Science Gifts lamp Klein bottle - one-sided, no boundary, very mysterious. It is hand-blown, the raw material is high borosilicate glass, it is non-toxic, highlighting the curve of the bottle. For those who appreciate the mixture of mathematics and art, this is a magical gift! Be careful: 1. Handicraft can not guarantee perfection, it may have slight stains or defects; 2. If it arrives damaged, we will send it again. 3. Do not use for food. 4. Injection of liquid requires DIY of your own Size： ≈ 9cm (width of the rounded belly), height ≈16 m. packages. Gift Set Package：Greeting Card + carry bag + infusion tube + Klein bottle Shipping: roughly 15 days or so to arrive If you are not genuinely willing to give, please don't bother me, thanks! Normal transactions are welcome.