Echo Store via Amazon discounts select Slicoo tempered glass screen protectors, as listed below. Plus, Prime members qualify for free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds around $6.) The deals:

• Slicoo Tempered Glass Screen Protector for Galaxy S6 for $4.99 via "VG48JIHO" ($15 off)
• Slicoo Tempered Glass Screen Protector for iPhone 6 for $5.99 via "49TCIAF5" (pictured, low by $3)
• Slicoo Tempered Glass Screen Protector for iPhone 6 Plus for $5.99 via "49TCIAF5" (low by $3)