The package includes: you can receive 10 pieces of water flow restrictors with different water flow specifications, distinguished by different colors, namely, blue color 1.5 GPM water flow restrictor, yellow 1.8 GPM water flow restrictor, green 2.0 GPM water flow restrictor, white 2.5 GPM water flow restrictor and gray 3.0 GPM water flow restrictor, each color has 2 pieces, you can choose needed specifications to save water according to your demand, also enough quantity meets your various needs Quality material: our shower water flow reducer is made of quality POM material, safe and stable for a long term service, not easy to break or damage; The working temperature is 0~90, which makes the flow reducer suitable for most household showers, so you can apply it with confidence Easy and practical to use: installation and disassembly of our shower head limiter set are very simple within a few minutes; Water flow restrictor will help you control the water flow rate at will, so as to help you save more water and energy Scope of application: shower water flow reducer is suitable for fixed shower head or handheld shower with an aperture of 0.566 inch/ 14.3 mm; Also the water flow reducer can be applied for other equipment ventilators that need to limit the flow rate, a wide scope of application will satisfy your various demands in daily life Size details: each water flow reducer is 14.3 x 13.85 x 5.2 mm, small; Please refer to the size information and it is suitable for standard-size shower; There are some differences in the size of showers, and they will not be applicable; A proper and considerate size is for easy use and store without taking too much space, also for simply carried out without effort. size:14.3 x 13.85 x 5.2mm Material:POM colour:multicolor Package Contents: 10 x Water Flow Restrictor(Blue 1.5 GPM/Yellow 1.8 GPM/Green 2.0 M/White 2.5 GPM/Grey 3.0 GPM 2 each) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.