MULTIFUNCTIONAL RUBBER BASE COAT:RARJSM rubber base gel nail polish is a nude skin tone gel and it is tend to be thicker than a regular base coat.Rubber base gel can be used as base coat,quick extension gel,sheer pink color gel and nail strengther gel. Rubber base gel also helps to make your nails more flexible if you have weak and brittle nails that might break or crack easily | QUICK AND EASY TO EXTEND:This rubber base gel is thicker than normal base coat ,because the gel texture is thick,quick self -levels but it does not spread,does not flow on the side rollers and cuticles.So it is very easy to brush on and extension the nails, we recommend 1-2cm extend | LONG LASTING:This gel bottle rubber base should be able to work with most gel polishes（but we recommend use RARJSM gel polish will last longer）and you can use both UV or Led to cure them.Rubber base coat is a soak off polish so they are also easy to remove.The base coat gel nail polish is long lasting for 21+ days with perfect shine under proper application | 15ML BIG VOLUME CAPACITY:Compared with other 5ml or 8ml small capacity,our nude pink rubber base gel polish capacity is 15ml,which is enough to do a french manicure for two hands.Our pink base coat gel polish is made of natural resin,smooth formula which has low smell,rich color,no shrink and edge | STRONG ADHESION:This base coat might leave a sticky residue even after curing in the lamp, which is completely normal. Having a tacky or sticky base will allow your other nail colors to adhere to the base and prevent it from prematurely chipping away.That can make your nail art manicure more reliable and long lasting