Please allow for some variation in color as displayed on different devices and screens. Actual colors may vary. materials >resin、brass specification Please refer to the picture https://live.staticflickr.com/65535/50932780736_7d282c05e5_z.jpg inside diameter curve>1.8~2cm This product is measured by hand. Margin of error is approximately 0.5mm. This product does not come gift wrapped. If you need this product gift wrapped, please Send a message to us We do not accept returns/exchanges for hygiene products.