4 Sizes Bottle Caps: Comes with 32pcs flip top bottle caps in 4 sizes 20x18mm(0.79x0.71in) 23x19mm(0.91x0.75in) 27x21mm(1.06x0.83in) 30x25mm(1.18x0.98in) and 18mm(0.71in) 20mm(0.79in) 25mm(0.98in) 27mm(1.06in) in inner dia hole: 2.5mm 3mm 4mm 5mm suitable for 18/410 20/410 24/410 28/410 plastic bottles Leak-Proof Design: Designed with flip top snap top and internal screw gasket ensuring a mess-free experience every time you dispense your favorite products 32Pcs Lotion Dispensers: Bottle caps can be used as a dish soap dispenser hand lotion dispensers to completely empty your bottles reduce product waste ample quantities can share with your friends and family Plastic Material: Made of recyclable PP plastic material and ribbed side safe and durable can be opened and closed many times before breaking Wide Application: Great for shampoo lotion oil soap moisturizer and other refillable bottles easy to use and reduces accidental leakage great for dispensing many different products from art paints to cleaning beauty products used in kitchen bathroom. A unique gift for mother's day birthday valentine's day anniversary teacher's day graduation christmas thanksgiving