Check the listing for details. Microscope Slides Concave Single concave 50Pc Glass Slide with Single Depression. Color: Clear, Condition: New. Listed at 13.99 USD. Item SpecificsBrand :CarboleProduct :Blank SlidesSlide Material :GlassIntended Use/Discipline :Biological LaboratoryColor :ClearItem Shape :Rectangle with grounded edgesConcave type :Single circle concaveProduct Type :Microscope SlidesCountry/Region of Manufacture :ChinaSize :25.4 x 76.2 x 1.2mm (1" x 3" x 0.05")Concave diameter :16mm(5/8")Depth :0.5mm(0.02")Number of item :50 Payment Payment:We accept Credit card, Debit card, Apple Pay, Google Pay and PayPal. Additional shipping fee may be charged for buyers from Puerto Rico, Hawaii, Alaska, Guam, and the U.S. military address of the United States or other remote area (zone 8-10). Most of the items come with a 30-day warranty covering manufacturing defect. High value products would get a longer warranty, some of them up to 2 year or 5 years or lifetime warranty, excluding any damage by the user. Shipping Processing time: Within 1 business day after payment Ship from: California USA or KY Warehouse Or IL warehouse Or NY Warehouse. Time of delivery: US: about 1-6 business days; Note：Please leave us your detailed valid street address because big package is not allowed to be stored in PO.BOX. Returns 1）Defective product can be returned for exchange and the exchange must be notified within 30 days from the date of purchase. All items must be returned in NEW condition, including the packaging and all accessories. 2）Buyers are responsible for the item return shipping fee. 3) Please note that all return must be pre-approved by our co-worker,and it have a return merchandise anthorization(RMA)number.Unauthorzed return will not be accepted. Contact Us 1) Please feel free to contact if you have any problem, Please do not give us a bad review immediately, or directly open CASE or Return. We will give you a satisfactory solution. 2) We greatly appreciate your Five Stars Positive feedback. It means a lot to us. Thanks for your support. 3)You can bookmark our store for your next purchase About Us