Nail polish primer & sealer: 1 bottle with in-built applicator: 0.5 fl oz / 15 ml. As a primer, this provides a sticky surface that dries in seconds and allows the polish to adhere. As a sealer, use it after polish and Shine Topcoat to provide a final seal for amazing durability. Start with clean nails. Apply Primer & Sealer, let air-dry; Add coloured polish. Set a timer: use a warm hairdryer on low-speed to dry each coat for exactly 60 seconds; Add Shine Topcoat and blow dry; Add Primer & Sealer and blow dry. Feel great about where it comes from: What's it made from? Methoxypropanol Organic? Not yet! Manufactured in EU? Not yet! - USA What's it packaged in? Glass jar with polypropylene (PP - highly-recyclable plastic) cap/applicator Shipping packaging from Piggy Paint UK to us: Cardboard and paper only, no plastic (they started using shredded paper instead of bubblewrap at our request - yay!) Plastic-free? Not yet - the cap/applicator is plastic Vegan? Yes Animal-cruelty-free? Yes Reused upcycled or recycled? Not yet! Feel great about you and your child using it: The American EWG rates our SOPHi polishes the #1 safest (alongside Piggy Paint), including this Primer & Sealer Great for ages:  All ages. Also, safe to use during pregnancy. Shelf life: Several years Awards:  Delicious Living Beauty & Body Awards 2016; ECRM Most Innovative Product Award 2016; recommended by 'American Spa' magazine and 'Pregnancy & Newborn' magazine Solvent-free? Yes Gluten-free? Yes Peanut-free? Yes Soy-free? Yes Lactose-free? Yes Easy to wash-off clothes skin? Yes Improvements we're working on in this product: Replace PP lid/applicator with more sustainable material; manufacture in EU; organic raw materials Feel great about where it goes after you've used it: Biodegradable compostable? Polish is biodegradable; we're not sure about compostable yet. Container is glass and plastic, i.e., not biodegradable Reusable refillable? We hope to offer refills soon Recyclable? Yes